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CVE-2021-30560

Published: 3 August 2021

Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

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
bionic
Released (92.0.4515.159-0ubuntu0.18.04.1)
focal Not vulnerable
(code not present)
groovy Not vulnerable
(code not present)
hirsute 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
Released
xenial Ignored
(out of standard support)
libxslt
Launchpad, Ubuntu, Debian
bionic
Released (1.1.29-5ubuntu0.3)
focal
Released (1.1.34-4ubuntu0.20.04.1)
jammy
Released (1.1.34-4ubuntu0.22.04.1)
kinetic Not vulnerable
(1.1.35-1)
trusty
Released (1.1.28-2ubuntu0.2+esm2)
upstream
Released (1.1.35-1)
xenial
Released (1.1.28-2.1ubuntu0.3+esm1)
Patches:
upstream: https://gitlab.gnome.org/GNOME/libxslt/-/commit/50f9c9cd3
upstream: https://github.com/GNOME/libxslt/commit/50f9c9cd3

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