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CVE-2018-14048

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c,...

6.5 MediumFix available

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

3.21%Up 1.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
CVE-2018-14048
Updated
2026-11-02
EUVDEUVD-2018-5974 No score

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
EUVD-2018-5974
Updated
2026-11-03
GitHub AdvisoriesGHSA-64xj-5wfx-5pjg 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c,...

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
GHSA-64xj-5wfx-5pjg
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVALPINE-CVE-2018-14048 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
ALPINE-CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVBELL-CVE-2018-14048 6.5

CVE-2018-14048 does not affect BellSoft software

Record
BELL-CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 6 moreShow less
OSV 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-14048 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
DEBIAN-CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2018-14048 6.5

An issue has been found in libpng 1.6.34. It is a SEGV in the function png_free_data in png.c, related to the recommended error handling for png_read_image.

Record
UBUNTU-CVE-2018-14048
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:10972-1 No score

libpng16-16-1.6.37-3.3 on GA media

These are all security issues fixed in the libpng16-16-1.6.37-3.3 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10972-1
Updated
2026-11-02
OSVUSN-5432-1 No score

libpng vulnerabilities

It was discovered that libpng incorrectly handled memory when parsing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possible execute arbitrary code. (CVE-2017-12652)

Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possible execute arbitrary code. (CVE-2018-14048)

Record
USN-5432-1
Updated
2026-11-02
OSVUSN-5432-2 No score

libpng1.6 vulnerabilities

USN-5432-1 fixed vulnerabilities in libpng. This update provides the corresponding updates for libpng1.6.

Original advisory details:

It was discovered that libpng incorrectly handled memory when parsing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2017-12652)

Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing certain PNG files. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause libpng to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-14048)

Record
USN-5432-2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libpng
Alpine:v3.10
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.11
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.12
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.13
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.14
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.15
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.16
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.17
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.18
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.19
 before 1.6.37-r0
1.6.37-r0
Show 18 moreShow less
Affected packages
PackageAffectedFixed
libpng
Alpine:v3.20
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.21
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.22
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.23
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.24
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.6
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.7
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.8
 before 1.6.37-r0
1.6.37-r0
libpng
Alpine:v3.9
 before 1.6.37-r0
1.6.37-r0
libpng1.6
Debian:12
 before 1.6.37-1
1.6.37-1
libpng1.6
Debian:13
 before 1.6.37-1
1.6.37-1
libpng1.6
Debian:14
 before 1.6.37-1
1.6.37-1
libpng
Ubuntu:Pro:16.04:LTS
 before 1.2.54-1ubuntu1.1+esm1, plus listed versions
1.2.51-0ubuntu31.2.54-11.2.54-1ubuntu11.2.54-1ubuntu1.1
1.2.54-1ubuntu1.1+esm1
libpng1.6
Ubuntu:Pro:16.04:LTS
 before 1.6.20-2ubuntu0.1~esm1, plus listed versions
1.6.20-2
1.6.20-2ubuntu0.1~esm1
libpng1.6
Ubuntu:Pro:18.04:LTS
 before 1.6.34-1ubuntu0.18.04.2+esm3, plus listed versions
1.6.34-11.6.34-1ubuntu0.18.04.11.6.34-1ubuntu0.18.04.21.6.34-1ubuntu0.18.04.2+esm11.6.34-1ubuntu0.18.04.2+esm2
1.6.34-1ubuntu0.18.04.2+esm3
libpng
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 1.2.54-1ubuntu1.1+esm1, plus listed versions
1.2.51-0ubuntu31.2.54-11.2.54-1ubuntu11.2.54-1ubuntu1.1
1.2.54-1ubuntu1.1+esm1
libpng1.6
Ubuntu:Pro:16.04:LTS
From an advisory covering 2 CVEs
 before 1.6.20-2ubuntu0.1~esm1, plus listed versions
1.6.20-2
1.6.20-2ubuntu0.1~esm1
libpng16
openSUSE:Tumbleweed
From an advisory covering 9 CVEs
 before 1.6.37-3.3
1.6.37-3.3

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-14048 is a medium vulnerability (CVSS 6.5) in Libpng, published July 13, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.21%, the 88th percentile. Fixed in libpng 1.6.37-r0.

References

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