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CVE-2022-31796

Published: 2 June 2022

libjpeg 1.63 has a heap-based buffer over-read in HierarchicalBitmapRequester::FetchRegion in hierarchicalbitmaprequester.cpp because the MCU size can be different between allocation and use.

Notes

AuthorNote
jdstrand
libjpeg-turbo is a fork of libjpeg8

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
libjpeg
Launchpad, Ubuntu, Debian
focal Needed

impish Ignored
(reached end-of-life)
jammy Needed

kinetic Needed

upstream
Released (1.64)
Patches:
upstream: https://github.com/thorfdbg/libjpeg/commit/187035b9726710b4fe11d565c7808975c930895d
libjpeg-turbo
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
libjpeg6b
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code)
libjpeg9
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
impish Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
trusty Does not exist

upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H