CVE-2026-75466

Publication date 26 August 2026

Last updated 9 November 2026


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

Description

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
libjpeg-turbo 26.10 stonking
Needs evaluation
26.04 LTS resolute
Not affected
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Not affected
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation
libjpeg6b 26.10 stonking
Needs evaluation
26.04 LTS resolute
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation
libjpeg9 26.10 stonking
Needs evaluation
26.04 LTS resolute
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation

Notes


jdstrand

libjpeg-turbo is a fork of libjpeg8


mdeslaur

the libjpeg package is an unrelated codebase

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H


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