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CVE-2026-3146

libvips matrixload.c vips_foreign_load_matrix_header null pointer dereference

4.8 MediumFix available

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

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
None
Integrity
None
Availability
Low

Exploit likelihood

0.20%Up 0.2 points since Feb 25, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.8

libvips matrixload.c vips_foreign_load_matrix_header null pointer dereference

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
CVE-2026-3146
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CVSS 3.0
3.3 LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CVSS 2.0
1.7 AV:L/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C
Weakness
CWE-476, CWE-404
Updated
2026-11-02
EUVDEUVD-2026-8604 4.8

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
EUVD-2026-8604
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Updated
2026-11-02
GitHub AdvisoriesGHSA-v5rp-3mcx-fr73 4.8

A vulnerability has been found in libvips up to 8.18.0. The impacted element is the function...

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
GHSA-v5rp-3mcx-fr73
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness
CWE-404
Updated
2026-11-02
NVD 4.8

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
CVE-2026-3146
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/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
CVSS 2.0
1.7 LowAV:L/AC:L/Au:S/C:N/I:N/A:P
Weakness
CWE-404, CWE-476
Updated
2026-11-02
OSV 4.8

libvips matrixload.c vips_foreign_load_matrix_header null pointer dereference

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
CVE-2026-3146
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Weakness
CWE-404, CWE-476
Updated
2026-11-02
OSVDEBIAN-CVE-2026-3146 5.5

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
DEBIAN-CVE-2026-3146
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-2026-3146 4.8

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. The identifier of the patch is d4ce337c76bff1b278d7085c3c4f4725e3aa6ece. To fix this issue, it is recommended to deploy a patch.

Record
UBUNTU-CVE-2026-3146
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1
3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 products

Affected packages

Affected packages
PackageAffectedFixed
vips
Debian:12
 before 8.14.1-3+deb12u3, plus listed versions
8.14.1-38.14.1-3+deb12u18.14.1-3+deb12u2
8.14.1-3+deb12u3
vips
Debian:13
 before 8.16.1-1+deb13u1, plus listed versions
8.16.1-1
8.16.1-1+deb13u1
vips
Debian:14
 before 8.18.0-3, plus listed versions
8.16.1-18.16.1-28.17.3-18.17.3-28.18.0-18.18.0-2
8.18.0-3
vips
Mageia:10
From an advisory covering 4 CVEs
 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
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-2026-3146 is a medium vulnerability (CVSS 4.8) in Libvips, published February 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. Fixed in vips 8.14.1-3+deb12u3.

References

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