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CVE-2026-6491

libvips nip2 vips7compat.c im_minpos_vec heap-based overflow

4.8 MediumFix available

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.16%Up 0.1 points since Apr 18, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.8

libvips nip2 vips7compat.c im_minpos_vec heap-based overflow

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
CVE-2026-6491
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:T/RC:C
CVSS 3.0
5.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:T/RC:C
CVSS 2.0
4.3 AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:TF/RC:C
Weakness
CWE-122, CWE-119
Updated
2026-11-02
EUVDEUVD-2026-23432 4.8

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
EUVD-2026-23432
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Updated
2026-11-02
GitHub AdvisoriesGHSA-qv7w-j9w9-35p3 1.9

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the...

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
GHSA-qv7w-j9w9-35p3
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-119
Updated
2026-11-02
NVD 1.9

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
CVE-2026-6491
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0
4.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-119, CWE-122
Updated
2026-11-02
OSV 1.9

libvips nip2 vips7compat.c im_minpos_vec heap-based overflow

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
CVE-2026-6491
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness
CWE-119, CWE-122
Updated
2026-11-02
OSVDEBIAN-CVE-2026-6491 1.9

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
DEBIAN-CVE-2026-6491
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Updated
2026-11-02
OSVUBUNTU-CVE-2026-6491 1.9

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

Record
UBUNTU-CVE-2026-6491
CVSS 4.0
1.9 LowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS 3.1
5.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-03
OSVMGASA-2026-0237 No score

Updated vips packages fix security vulnerabilities

This update fixes several security issues: A flaw has been found in libvips up to 8.18.0. The affected element is the function vips_foreign_load_matrix_file_is_a/vips_foreign_load_matrix_header of the file libvips/foreign/matrixload.c. Executing a manipulation can lead to memory corruption. The attack needs to be launched locally. (CVE-2026-3145) A vulnerability has been found in libvips up to 8.18.0. The impacted element is the function vips_foreign_load_matrix_header of the file libvips/foreign/matrixload.c. The manipulation leads to null pointer dereference. The attack needs to be performed locally. (CVE-2026-3146) A vulnerability was found in libvips up to 8.18.0. This affects the function vips_foreign_load_csv_build of the file libvips/foreign/csvload.c. The manipulation results in heap-based buffer overflow. The attack requires a local approach. The exploit has been made public and could be used. (CVE-2026-3147) A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. (CVE-2026-6491)

Record
MGASA-2026-0237
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
vips
Debian:12
All versions, plus listed versions
8.14.1-38.14.1-3+deb12u18.14.1-3+deb12u28.14.1-3+deb12u38.14.2-1
Show 30 moreShow less
8.14.3-18.14.4-18.14.5-18.15.0-18.15.0-28.15.0~rc2-18.15.0~rc2-28.15.1-18.15.1-1.18.15.1-1.1~exp18.15.2-18.15.2-28.15.3-18.16.0-18.16.0-28.16.1-18.16.1-28.17.3-18.17.3-28.18.0-18.18.0-28.18.0-38.18.1-18.18.2-18.18.3-18.18.4-18.18.5-18.18.6-18.18.6-28.18.7-1
None known
vips
Debian:13
All versions, plus listed versions
8.16.1-18.16.1-1+deb13u18.16.1-28.17.3-18.17.3-2
Show 11 moreShow less
8.18.0-18.18.0-28.18.0-38.18.1-18.18.2-18.18.3-18.18.4-18.18.5-18.18.6-18.18.6-28.18.7-1
None known
vips
Debian:14
All versions, plus listed versions
8.16.1-18.16.1-28.17.3-18.17.3-28.18.0-1
Show 10 moreShow less
8.18.0-28.18.0-38.18.1-18.18.2-18.18.3-18.18.4-18.18.5-18.18.6-18.18.6-28.18.7-1
None known
vips
Mageia:10
before 8.18.3-1.mga10
8.18.3-1.mga10
vips
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
7.40.6-2ubuntu28.0.2-28.2.1-18.2.2-18.2.2-1ubuntu0.1~esm1
None known
vips
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
8.4.5-1build18.4.5-1ubuntu0.1~esm18.4.5-1ubuntu0.1~esm2
None known
vips
Ubuntu:Pro:20.04:LTS
All versions, plus listed versions
8.7.4-1build18.8.3-38.8.3-3ubuntu18.9.0-18.9.0-1build1
Show 4 moreShow less
8.9.1-18.9.1-28.9.1-2ubuntu0.1~esm18.9.1-2ubuntu0.1~esm2
None known
vips
Ubuntu:Pro:22.04:LTS
All versions, plus listed versions
8.10.5-2ubuntu18.11.4-28.12.1-18.12.1-1build18.12.1-1ubuntu0.1~esm18.12.1-1ubuntu0.1~esm28.12.1-1ubuntu0.1~esm3
None known
vips
Ubuntu:Pro:24.04:LTS
All versions, plus listed versions
8.14.3-18.14.5-18.15.0-18.15.0-28.15.1-1
Show 5 moreShow less
8.15.1-1build18.15.1-1.1build38.15.1-1.1build48.15.1-1.1ubuntu0.1~esm18.15.1-1.1ubuntu0.1~esm2
None known
vips
Ubuntu:25.10
All versions, plus listed versions
8.16.0-2build18.16.1-1
None known
vips
Ubuntu:26.10
All versions, plus listed versions
8.18.0-1build18.18.3-18.18.4-18.18.5-1
None known
vips
Ubuntu:Pro:26.04:LTS
All versions, plus listed versions
8.16.1-18.16.1-28.17.3-28.18.0-18.18.0-1build18.18.0-1ubuntu0.1~esm18.18.0-1ubuntu0.1~esm2
None known

History

History
RecordedChangedSources
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-2026-6491 is a medium vulnerability (CVSS 4.8) in vips, published April 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in vips 8.18.3-1.mga10.

References

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