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CVE-2026-27171

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because...

2.9 LowFix available

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
Low

Exploit likelihood

0.25%Up 0.2 points since Feb 18, 2026
90%50%10%1%

What each source reports

CVE List Score used 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
CVE-2026-27171
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-1284
Updated
2026-11-02
EUVDEUVD-2026-8063 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
EUVD-2026-8063
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-h858-mf2m-8jf4 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because...

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
GHSA-h858-mf2m-8jf4
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-1284
Updated
2026-11-02
NVD 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
CVE-2026-27171
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1284
Updated
2026-11-02
OSVALPINE-CVE-2026-27171 5.5

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
ALPINE-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2026-27171 5.5
Record
BELL-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 44 moreShow less
OSV 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
CVE-2026-27171
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-1284
Updated
2026-11-02
OSVDEBIAN-CVE-2026-27171 5.5

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
DEBIAN-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-07
OSVJLSEC-2026-480 5.5

zlib before 1.3.2 allows CPU consumption via `crc32_combine64` and `crc32_combine_gen64` because...

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
JLSEC-2026-480
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-1583 5.5

zlib security update

Security Fix(es):

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.(CVE-2026-27171)

Record
OESA-2026-1583
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-1584 5.5

zlib security update

Security Fix(es):

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.(CVE-2026-27171)

Record
OESA-2026-1584
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-1585 5.5

zlib security update

Security Fix(es):

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.(CVE-2026-27171)

Record
OESA-2026-1585
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-1586 5.5

zlib security update

Security Fix(es):

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.(CVE-2026-27171)

Record
OESA-2026-1586
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-3737 8.2

openjdk-1.8.0 security update

Security Fix(es):

Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c(CVE-2023-48161)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51.(CVE-2025-64506)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.(CVE-2025-65018)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 2.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2026-22007)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an…

Record
OESA-2026-3737
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Updated
2026-11-02
OSVOESA-2026-3738 8.2

openjdk-1.8.0 security update

Security Fix(es):

Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c(CVE-2023-48161)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51.(CVE-2025-64506)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.(CVE-2025-65018)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 2.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2026-22007)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an…

Record
OESA-2026-3738
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Updated
2026-11-02
OSVOESA-2026-3739 7.5

openjdk-1.8.0 security update

The OpenJDK runtime environment 8.

Security Fix(es):

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.(CVE-2026-27171)

Little CMS (lcms2) through 2.18 has an integer overflow in CubeSize in cmslut.c because the overflow check is performed after the multiplication.(CVE-2026-41254)

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).(CVE-2026-46968)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).(CVE-2026-47059)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).(CVE-2026-47063)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise…

Record
OESA-2026-3739
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVOESA-2026-3740 8.2

openjdk-1.8.0 security update

Security Fix(es):

Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c(CVE-2023-48161)

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive(CVE-2025-28162)

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via png_create_read_struct() function.(CVE-2025-28164)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u461, 8u461-perf, 11.0.28, 17.0.16, 21.0.8, 25; Oracle GraalVM for JDK: 17.0.16 and 21.0.8; Oracle GraalVM Enterprise Edition: 21.3.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data.(CVE-2025-53057)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51.(CVE-2025-64506)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.(CVE-2025-65018)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: AWT, JavaFX). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in…

Record
OESA-2026-3740
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Updated
2026-11-02
OSVOESA-2026-3741 8.2

openjdk-1.8.0 security update

Security Fix(es):

Buffer Overflow vulnerability in GifLib Project GifLib v.5.2.1 allows a local attacker to obtain sensitive information via the DumpSCreen2RGB function in gif2rgb.c(CVE-2023-48161)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, a heap buffer over-read vulnerability exists in libpng's png_write_image_8bit function when processing 8-bit images through the simplified write API with convert_to_8bit enabled. The vulnerability affects 8-bit grayscale+alpha, RGB/RGBA, and images with incomplete row data. A conditional guard incorrectly allows 8-bit input to enter code expecting 16-bit input, causing reads up to 2 bytes beyond allocated buffer boundaries. This issue has been patched in version 1.6.51.(CVE-2025-64506)

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, there is a heap buffer overflow vulnerability in the libpng simplified API function png_image_finish_read when processing 16-bit interlaced PNGs with 8-bit output format. Attacker-crafted interlaced PNG files cause heap writes beyond allocated buffer bounds. This issue has been patched in version 1.6.51.(CVE-2025-65018)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 2.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2026-22007)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an…

Record
OESA-2026-3741
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Updated
2026-11-02
OSVOESA-2026-3818 8.2

openjdk-11 security update

The OpenJDK runtime environment.

Security Fix(es):

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via the pngimage with AddressSanitizer (ASan), the program leaks memory in various locations, eventually leading to high memory usage and causing the program to become unresponsive(CVE-2025-28162)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u461, 8u461-perf, 11.0.28, 17.0.16, 21.0.8, 25; Oracle GraalVM for JDK: 17.0.16 and 21.0.8; Oracle GraalVM Enterprise Edition: 21.3.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data.(CVE-2025-53057)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP). Supported versions that are affected are Oracle Java SE: 8u461, 8u461-perf, 11.0.28, 17.0.16, 21.0.8, 25; Oracle GraalVM for JDK: 17.0.16 and 21.0.8; Oracle GraalVM Enterprise Edition: 21.3.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).(CVE-2025-53066)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Oracle Java SE: 21.0.8 and 25; Oracle GraalVM for JDK: 21.0.8; Oracle GraalVM Enterprise Edition: 21.3.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).(CVE-2025-61748)

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition:…

Record
OESA-2026-3818
CVSS 3.1
8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Updated
2026-11-02
OSVROOT-OS-DEBIAN-11-CVE-2026-27171 5.5

CVE-2026-27171 in zlib - Patched by Root

Root has patched CVE-2026-27171 in the zlib package for Root:Debian:11. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-11-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVROOT-OS-DEBIAN-12-CVE-2026-27171 5.5

CVE-2026-27171 in zlib - Patched by Root

Root has patched CVE-2026-27171 in the zlib package for Root:Debian:12. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-12-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVROOT-OS-DEBIAN-13-CVE-2026-27171 5.5

CVE-2026-27171 in zlib - Patched by Root

Root has patched CVE-2026-27171 in the zlib package for Root:Debian:13. Multiple fixed versions available.

Record
ROOT-OS-DEBIAN-13-CVE-2026-27171
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2026-27171 2.9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
UBUNTU-CVE-2026-27171
CVSS 3.1
2.9 LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVAZL-77886 No score

CVE-2026-27171 affecting package zlib for versions less than 1.3.2-1

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77886
Updated
2026-11-02
OSVAZL-77981 No score

CVE-2026-27171 affecting package blosc 1.21.4-2

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77981
Updated
2026-11-02
OSVAZL-77985 No score

CVE-2026-27171 affecting package blosc 1.21.6-1

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77985
Updated
2026-11-05
OSVAZL-77988 No score

CVE-2026-27171 affecting package clucene 2.3.3.4-40

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77988
Updated
2026-11-05
OSVAZL-77990 No score

CVE-2026-27171 affecting package clucene 2.3.3.4-38

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77990
Updated
2026-11-02
OSVAZL-77993 No score

CVE-2026-27171 affecting package fltk 1.3.5-4

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-77993
Updated
2026-11-02
OSVAZL-78000 No score

CVE-2026-27171 affecting package fltk 1.3.8-1

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78000
Updated
2026-11-05
OSVAZL-78009 No score

CVE-2026-27171 affecting package gpsbabel 1.8.0-4

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78009
Updated
2026-11-02
OSVAZL-78012 No score

CVE-2026-27171 affecting package gpsbabel 1.8.0-4

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78012
Updated
2026-11-05
OSVAZL-78014 No score

CVE-2026-27171 affecting package ogdi 4.1.0-9

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78014
Updated
2026-11-02
OSVAZL-78017 No score

CVE-2026-27171 affecting package openjpeg2 2.3.1-12

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78017
Updated
2026-11-02
OSVAZL-78021 No score

CVE-2026-27171 affecting package ogdi 4.1.1-3

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78021
Updated
2026-11-05
OSVAZL-78024 No score

CVE-2026-27171 affecting package openjpeg2 2.3.1-12

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78024
Updated
2026-11-05
OSVAZL-78027 No score

CVE-2026-27171 affecting package teckit 2.5.12-4

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78027
Updated
2026-11-05
OSVAZL-78120 No score

CVE-2026-27171 affecting package kata-containers for versions less than 3.19.1.kata3-6

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78120
Updated
2026-11-02
OSVAZL-78179 No score

CVE-2026-27171 affecting package rust 1.72.0-14

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78179
Updated
2026-11-02
OSVAZL-78203 No score

CVE-2026-27171 affecting package zlib 1.2.13-2

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Record
AZL-78203
Updated
2026-11-02
OSVMGASA-2026-0076 No score

Updated zlib packages fix security vulnerability

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition. (CVE-2026-27171)

Record
MGASA-2026-0076
Updated
2026-11-02
OSVopenSUSE-SU-2026:10617-1 No score

libminizip1-1.3.1-2.1 on GA media

These are all security issues fixed in the libminizip1-1.3.1-2.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10617-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:12179-1 No score

freetype2-devel-2.15.0-1.1 on GA media

These are all security issues fixed in the freetype2-devel-2.15.0-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12179-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:20487-1 No score

Security update for zlib

This update for zlib fixes the following issues:

  • CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)
  • CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)
Record
openSUSE-SU-2026:20487-1
Updated
2026-11-02
OSVSUSE-SU-2026:0783-1 No score

Security update for zlib

This update for zlib fixes the following issue:

  • CVE-2026-27171: Fixed infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths (bsc#1258392).
Record
SUSE-SU-2026:0783-1
Updated
2026-11-02
OSVSUSE-SU-2026:20659-1 No score

Security update for zlib

This update for zlib fixes the following issues:

  • CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)
  • CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)
Record
SUSE-SU-2026:20659-1
Updated
2026-11-02
OSVSUSE-SU-2026:20709-1 No score

Security update for zlib

This update for zlib fixes the following issues:

  • CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)
  • CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)
Record
SUSE-SU-2026:20709-1
Updated
2026-11-02
OSVSUSE-SU-2026:21013-1 No score

Security update for zlib

This update for zlib fixes the following issues:

  • CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)
  • CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)
Record
SUSE-SU-2026:21013-1
Updated
2026-11-02
OSVSUSE-SU-2026:21151-1 No score

Security update for zlib

This update for zlib fixes the following issues:

  • CVE-2026-27171: Fixed an infinite loop via the crc32_combine64 and crc32_combine_gen64 functions due to missing checks for negative lengths. (bsc#1258392)
  • CVE-2023-45853: Fixed an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_6. (bsc#1216378)
Record
SUSE-SU-2026:21151-1
Updated
2026-11-02
OSVUSN-8706-1 No score

zlib vulnerability

It was discovered that zlib incorrectly handled negative length parameters in CRC32 combine functions. An attacker could use this issue to cause a denial of service via excessive CPU consumption.

Record
USN-8706-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
zlib
Alpine:v3.20
1.2.12 up to 1.3.2-r0
1.3.2-r0
zlib
Alpine:v3.21
1.2.12 up to 1.3.2-r0
1.3.2-r0
zlib
Alpine:v3.22
1.2.12 up to 1.3.2-r0
1.3.2-r0
zlib
Alpine:v3.23
1.2.12 up to 1.3.2-r0
1.3.2-r0
zlib
Alpine:v3.24
1.2.12 up to 1.3.2-r0
1.3.2-r0
zlib
Azure Linux:3
before 1.3.2-1
1.3.2-1
blosc
Azure Linux:2
through 1.21.4-2 None known
blosc
Azure Linux:3
through 1.21.6-1 None known
clucene
Azure Linux:3
through 2.3.3.4-40 None known
clucene
Azure Linux:2
through 2.3.3.4-38 None known
Show 60 moreShow less
Affected packages
PackageAffectedFixed
fltk
Azure Linux:2
through 1.3.5-4 None known
fltk
Azure Linux:3
through 1.3.8-1 None known
gpsbabel
Azure Linux:2
through 1.8.0-4 None known
gpsbabel
Azure Linux:3
through 1.8.0-4 None known
ogdi
Azure Linux:2
through 4.1.0-9 None known
openjpeg2
Azure Linux:2
through 2.3.1-12 None known
ogdi
Azure Linux:3
through 4.1.1-3 None known
openjpeg2
Azure Linux:3
through 2.3.1-12 None known
teckit
Azure Linux:3
through 2.5.12-4 None known
kata-containers
Azure Linux:3
before 3.19.1.kata3-6
3.19.1.kata3-6
rust
Azure Linux:2
through 1.72.0-14 None known
zlib
Azure Linux:2
through 1.2.13-2 None known
zlib
Alpaquita:23
1.2.13-r0 up to 1.2.13-r1
1.2.13-r1
zlib
Alpaquita:25
1.3.1-r2 up to 1.3.2-r0
1.3.2-r0
zlib
Alpaquita:stream
1.2.13-r0 up to 1.3.2-r0
1.3.2-r0
zlib
BellSoft Hardened Containers:23
1.2.13-r0 up to 1.2.13-r1
1.2.13-r1
zlib
BellSoft Hardened Containers:25
1.3.1-r2 up to 1.3.2-r0
1.3.2-r0
zlib
BellSoft Hardened Containers:stream
1.2.13-r0 up to 1.3.2-r0
1.3.2-r0
zlib
Debian:12
All versions, plus listed versions
1:1.2.13.dfsg-11:1.2.13.dfsg-21:1.2.13.dfsg-31:1.3.dfsg+really1.3.1-11:1.3.dfsg+really1.3.1-2
Show 10 moreShow less
1:1.3.dfsg+really1.3.1-31:1.3.dfsg+really1.3.2-11:1.3.dfsg+really1.3.2-21:1.3.dfsg+really1.3.2-31:1.3.dfsg+really1.3.2-41:1.3.dfsg-11:1.3.dfsg-21:1.3.dfsg-31:1.3.dfsg-3.11:1.3.dfsg-3.1~exp1
None known
zlib
Debian:13
before 1:1.3.dfsg+really1.3.1-1+deb13u1, plus listed versions
1:1.3.dfsg+really1.3.1-1
1:1.3.dfsg+really1.3.1-1+deb13u1
zlib
Debian:14
before 1:1.3.dfsg+really1.3.2-1, plus listed versions
1:1.3.dfsg+really1.3.1-11:1.3.dfsg+really1.3.1-21:1.3.dfsg+really1.3.1-3
1:1.3.dfsg+really1.3.2-1
Openresty_jll
Julia
1.21.4+0 up to 1.29.203+0
1.29.203+0
Zlib_jll
Julia
1.2.12+3 up to 1.3.2+0
1.3.2+0
fmusim_jll
Julia
before 0.0.39001+0
0.0.39001+0
zlib
Mageia:9
before 1.2.13-1.4.mga9
1.2.13-1.4.mga9
zlib
openEuler:24.03-LTS
before 1.2.13-5.oe2403
1.2.13-5.oe2403
zlib
openEuler:24.03-LTS-SP1
before 1.2.13-5.oe2403sp1
1.2.13-5.oe2403sp1
zlib
openEuler:24.03-LTS-SP2
before 1.2.13-5.oe2403sp2
1.2.13-5.oe2403sp2
zlib
openEuler:24.03-LTS-SP3
before 1.2.13-5.oe2403sp3
1.2.13-5.oe2403sp3
openjdk-1.8.0
openEuler:24.03-LTS-SP1
From an advisory covering 19 CVEs
before java-1.8.0-openjdk-1.8.0.502.b07-0.oe2403sp1
java-1.8.0-openjdk-1.8.0.502.b07-0.oe2403sp1
openjdk-1.8.0
openEuler:24.03-LTS-SP3
From an advisory covering 19 CVEs
before java-1.8.0-openjdk-1.8.0.502.b07-0.oe2403sp3
java-1.8.0-openjdk-1.8.0.502.b07-0.oe2403sp3
openjdk-1.8.0
openEuler:24.03-LTS-SP4
From an advisory covering 8 CVEs
before java-1.8.0-openjdk-1.8.0.502.b07-1.oe2403sp4
java-1.8.0-openjdk-1.8.0.502.b07-1.oe2403sp4
openjdk-1.8.0
openEuler:20.03-LTS-SP4
From an advisory covering 24 CVEs
before java-1.8.0-openjdk-1.8.0.502.b07-1.oe2003sp4
java-1.8.0-openjdk-1.8.0.502.b07-1.oe2003sp4
openjdk-1.8.0
openEuler:22.03-LTS-SP4
From an advisory covering 19 CVEs
before java-1.8.0-openjdk-1.8.0.502.b07-0.oe2203sp4
java-1.8.0-openjdk-1.8.0.502.b07-0.oe2203sp4
openjdk-11
openEuler:20.03-LTS-SP4
From an advisory covering 28 CVEs
before java-11-openjdk-11.0.32.9-1.oe2003sp4
java-11-openjdk-11.0.32.9-1.oe2003sp4
openjdk-11
openEuler:22.03-LTS-SP4
From an advisory covering 28 CVEs
before java-11-openjdk-11.0.32.9-1.oe2203sp4
java-11-openjdk-11.0.32.9-1.oe2203sp4
openjdk-11
openEuler:24.03-LTS-SP1
From an advisory covering 28 CVEs
before java-11-openjdk-11.0.32.9-1.oe2403sp1
java-11-openjdk-11.0.32.9-1.oe2403sp1
openjdk-11
openEuler:24.03-LTS-SP3
From an advisory covering 28 CVEs
before java-11-openjdk-11.0.32.9-1.oe2403sp3
java-11-openjdk-11.0.32.9-1.oe2403sp3
openjdk-11
openEuler:24.03-LTS-SP4
From an advisory covering 28 CVEs
before java-11-openjdk-11.0.32.9-1.oe2403sp4
java-11-openjdk-11.0.32.9-1.oe2403sp4
zlib
Root:Debian:11
before 1:1.2.11.dfsg-2+deb11u2.root.io.8
1:1.2.11.dfsg-2+deb11u2.root.io.81:1.2.11.dfsg-2+deb11u2.root.io.71:1.2.11.dfsg-2+deb11u2.aikido.101:1.2.11.dfsg-2+deb11u2.root.io.91:1.2.11.dfsg-2+deb11u2.aikido.11
rootio-zlib
Root:Debian:11
before 1:1.2.11.dfsg-2+deb11u2.root.io.8
1:1.2.11.dfsg-2+deb11u2.root.io.81:1.2.11.dfsg-2+deb11u2.root.io.71:1.2.11.dfsg-2+deb11u2.aikido.101:1.2.11.dfsg-2+deb11u2.root.io.91:1.2.11.dfsg-2+deb11u2.aikido.11
zlib
Root:Debian:12
before 1:1.2.13.dfsg-1.root.io.4
1:1.2.13.dfsg-1.root.io.41:1.2.13.dfsg-1.aikido.51:1.2.13.dfsg-1.aikido.6
rootio-zlib
Root:Debian:12
before 1:1.2.13.dfsg-1.root.io.4
1:1.2.13.dfsg-1.root.io.41:1.2.13.dfsg-1.aikido.51:1.2.13.dfsg-1.aikido.6
zlib
Root:Debian:13
before 1:1.3.dfsg+really1.3.1-1.aikido.3
1:1.3.dfsg+really1.3.1-1.aikido.31:1.3.dfsg+really1.3.1-1.aikido.21:1.3.dfsg+really1.3.1-1.root.io.11:1.3.dfsg+really1.3.1-1.aikido.41:1.3.dfsg+really1.3.1-1.aikido.51:1.3.dfsg+really1.3.1-1.aikido.61:1.3.dfsg+really1.3.1-1.aikido.91:1.3.dfsg+really1.3.1-1.aikido.71:1.3.dfsg+really1.3.1-1.aikido.81:1.3.dfsg+really1.3.1-1.aikido.101:1.3.dfsg+really1.3.1-1.aikido.11
rootio-zlib
Root:Debian:13
before 1:1.3.dfsg+really1.3.1-1.aikido.3
1:1.3.dfsg+really1.3.1-1.aikido.31:1.3.dfsg+really1.3.1-1.aikido.21:1.3.dfsg+really1.3.1-1.root.io.11:1.3.dfsg+really1.3.1-1.aikido.41:1.3.dfsg+really1.3.1-1.aikido.51:1.3.dfsg+really1.3.1-1.aikido.61:1.3.dfsg+really1.3.1-1.aikido.91:1.3.dfsg+really1.3.1-1.aikido.71:1.3.dfsg+really1.3.1-1.aikido.81:1.3.dfsg+really1.3.1-1.aikido.101:1.3.dfsg+really1.3.1-1.aikido.11
zlib
SUSE:Linux Enterprise Micro 5.5
before 1.2.13-150500.4.6.1
1.2.13-150500.4.6.1
zlib
SUSE:Linux Enterprise Module for Basesystem 15 SP7
before 1.2.13-150500.4.6.1
1.2.13-150500.4.6.1
zlib
SUSE:Linux Enterprise Module for Development Tools 15 SP7
before 1.2.13-150500.4.6.1
1.2.13-150500.4.6.1
zlib
openSUSE:Leap 15.6
before 1.2.13-150500.4.6.1
1.2.13-150500.4.6.1
zlib
SUSE:Linux Micro 6.1
From an advisory covering 2 CVEs
before 1.2.13-slfo.1.1_2.1
1.2.13-slfo.1.1_2.1
zlib
SUSE:Linux Micro 6.0
From an advisory covering 2 CVEs
before 1.2.13-7.1
1.2.13-7.1
zlib
SUSE:Linux Micro 6.2
From an advisory covering 2 CVEs
before 1.2.13-160000.3.1
1.2.13-160000.3.1
zlib
SUSE:Linux Enterprise Server 16.0
From an advisory covering 2 CVEs
before 1.2.13-160000.3.1
1.2.13-160000.3.1
zlib
SUSE:Linux Enterprise Server for SAP applications 16.0
From an advisory covering 2 CVEs
before 1.2.13-160000.3.1
1.2.13-160000.3.1
zlib
Ubuntu:24.04:LTS
before 1:1.3.dfsg-3.1ubuntu2.2, plus listed versions
1:1.2.13.dfsg-1ubuntu51:1.3.dfsg-3ubuntu11:1.3.dfsg-3.1ubuntu11:1.3.dfsg-3.1ubuntu21:1.3.dfsg-3.1ubuntu2.1
1:1.3.dfsg-3.1ubuntu2.2
zlib
Ubuntu:25.10
All versions, plus listed versions
1:1.3.dfsg+really1.3.1-1ubuntu11:1.3.dfsg+really1.3.1-1ubuntu2
None known
zlib
Ubuntu:26.04:LTS
before 1:1.3.dfsg+really1.3.1-1ubuntu3.1, plus listed versions
1:1.3.dfsg+really1.3.1-1ubuntu21:1.3.dfsg+really1.3.1-1ubuntu3
1:1.3.dfsg+really1.3.1-1ubuntu3.1
zlib
openSUSE:Tumbleweed
before 1.3.1-2.1
1.3.1-2.1
freetype2
openSUSE:Tumbleweed
before 2.15.0-1.1
2.15.0-1.1
zlib
openSUSE:Leap 16.0
From an advisory covering 2 CVEs
before 1.2.13-160000.3.1
1.2.13-160000.3.1

History

History
RecordedChangedSources
affectedOSV
affected
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-27171 is a low vulnerability (CVSS 2.9) in Ruby Zlib, published February 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in zlib 1.3.2-r0.

References

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This page doesn't list everything

Left out here: the rest of 6 source descriptions. The JSON record has them.

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