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CVE-2023-4863

Published: 12 September 2023

Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

Notes

AuthorNote
alexmurray
The Debian chromium source package is called chromium-browser
in Ubuntu
mdeslaur
starting with Ubuntu 19.10, the chromium-browser package is just
a script that installs the Chromium snap

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
chromium-browser
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
upstream
Released
libwebp
Launchpad, Ubuntu, Debian
trusty Needs triage

xenial Needs triage

bionic
Released (0.6.1-2ubuntu0.18.04.2+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
focal
Released (0.6.1-2ubuntu0.20.04.3)
jammy
Released (1.2.2-2ubuntu0.22.04.2)
lunar
Released (1.2.4-0.1ubuntu0.23.04.2)
upstream Needs triage

Patches:
upstream: https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a (main)
upstream: https://github.com/webmproject/libwebp/commit/8bacd63a6de1cc091f85a1692390401e7bbf55ac (1.2.4)
upstream: https://github.com/webmproject/libwebp/commit/801d2be12dba966233c21f850490203eb1acf014 (1.2.2)
firefox
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal
Released (117.0.1+build2-0ubuntu0.20.04.1)
jammy Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
upstream
Released (117.0.1)
thunderbird
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support)
focal
Released (1:102.15.1+build1-0ubuntu0.20.04.1)
jammy
Released (1:102.15.1+build1-0ubuntu0.22.04.1)
lunar
Released (1:102.15.1+build1-0ubuntu0.23.04.1)
upstream
Released (115.2.2)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H