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CVE-2026-75466

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When...

6.5 MediumFix available

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

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

0.36%Up 0.2 points since Aug 27, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.5

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
CVE-2026-75466
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
EUVDEUVD-2026-66663 6.5

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
EUVD-2026-66663
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
GitHub AdvisoriesGHSA-8cx9-6hv6-67qj 6.5

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When...

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
GHSA-8cx9-6hv6-67qj
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
NVD 6.5

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
CVE-2026-75466
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-369
Updated
2026-11-02
OSVBELL-CVE-2026-75466 6.5

CVE-2026-75466 does not affect BellSoft software

Record
BELL-CVE-2026-75466
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-2026-75466 6.5

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
UBUNTU-CVE-2026-75466
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-2026-75466 No score

libjpeg-turbo 3.2.0 contains an integer division-by-zero vulnerability in the PNG loader. When processing a valid indexed-color PNG image with a non-gray palette through tj3LoadImage12() or tj3LoadImage16() using the default pixel format, the application may trigger a division-by-zero in alloc_sarray(), causing a SIGFPE and denial of service.

Record
DEBIAN-CVE-2026-75466
Updated
2026-11-02
OSVopenSUSE-SU-2026:12399-1 No score

libjpeg-turbo-3.2.1-86.1 on GA media

These are all security issues fixed in the libjpeg-turbo-3.2.1-86.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:12399-1
Updated
2026-11-04

Affected packages

Affected packages
PackageAffectedFixed
libjpeg-turbo
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
1.3.0-0ubuntu11.3.0-0ubuntu21.3.0-0ubuntu2.11.3.0-0ubuntu2.1+esm11.3.0-0ubuntu2.1+esm2
 None known
libjpeg6b
Ubuntu:Pro:14.04:LTS
 All versions, plus listed versions
6b1-3ubuntu16b1-4ubuntu16b1-4ubuntu1+esm1
 None known
libjpeg-turbo
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.3.0-0ubuntu21.4.2-0ubuntu11.4.2-0ubuntu21.4.2-0ubuntu31.4.2-0ubuntu3.11.4.2-0ubuntu3.31.4.2-0ubuntu3.41.4.2-0ubuntu3.4+esm1
 None known
libjpeg6b
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1:6b2-21:6b2-2ubuntu0.1~esm1
 None known
libjpeg9
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1:9a-2ubuntu11:9b-11:9b-1ubuntu11:9b-1ubuntu1+esm1
 None known
libjpeg-turbo
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.5.2-0ubuntu51.5.2-0ubuntu5.18.04.11.5.2-0ubuntu5.18.04.31.5.2-0ubuntu5.18.04.41.5.2-0ubuntu5.18.04.6
 None known
libjpeg6b
Ubuntu:18.04:LTS
 All versions, plus listed versions
1:6b2-3
 None known
libjpeg9
Ubuntu:18.04:LTS
 All versions, plus listed versions
1:9b-2
 None known
libjpeg-turbo
Ubuntu:20.04:LTS
 All versions, plus listed versions
2.0.3-0ubuntu12.0.3-0ubuntu1.20.04.12.0.3-0ubuntu1.20.04.3
 None known
libjpeg6b
Ubuntu:20.04:LTS
 All versions, plus listed versions
1:6b2-3
 None known
Show 14 moreShow less
Affected packages
PackageAffectedFixed
libjpeg9
Ubuntu:20.04:LTS
 All versions, plus listed versions
1:9c-21:9d-1
 None known
libjpeg-turbo
Ubuntu:22.04:LTS
 All versions, plus listed versions
2.0.6-0ubuntu22.0.6-0ubuntu32.1.1-0ubuntu12.1.2-0ubuntu1
 None known
libjpeg6b
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:6b2-3
 None known
libjpeg9
Ubuntu:22.04:LTS
 All versions, plus listed versions
1:9d-1
 None known
libjpeg-turbo
Ubuntu:24.04:LTS
 All versions, plus listed versions
2.1.5-2ubuntu12.1.5-2ubuntu2
 None known
libjpeg6b
Ubuntu:24.04:LTS
 All versions, plus listed versions
1:6b2-3.1
 None known
libjpeg9
Ubuntu:24.04:LTS
 All versions, plus listed versions
1:9e-11:9e-1build1
 None known
libjpeg-turbo
Ubuntu:26.10
 All versions, plus listed versions
2.1.5-4ubuntu41:3.1.3-4ubuntu2
 None known
libjpeg6b
Ubuntu:26.10
 All versions, plus listed versions
1:6b2-4build1
 None known
libjpeg9
Ubuntu:26.10
 All versions, plus listed versions
1:9f-2build1
 None known
libjpeg-turbo
Ubuntu:26.04:LTS
 All versions, plus listed versions
2.1.5-4ubuntu22.1.5-4ubuntu32.1.5-4ubuntu4
 None known
libjpeg6b
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:6b2-41:6b2-4build1
 None known
libjpeg9
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:9f-21:9f-2build1
 None known
libjpeg-turbo
openSUSE:Tumbleweed
 before 8.3.2-86.1
8.3.2-86.1

History

History
RecordedChangedSources
affected, aliases, facts, referencesOSV
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2026-75466 is a medium vulnerability (CVSS 6.5) in libjpeg-turbo, published August 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in libjpeg-turbo 8.3.2-86.1.

References

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