Headline
Gentoo Linux Security Advisory 202405-27
Gentoo Linux Security Advisory 202405-27 - A vulnerability has been discovered in Epiphany, which can lead to a buffer overflow. Versions greater than or equal to 42.4 are affected.
Gentoo Linux Security Advisory GLSA 202405-27
https://security.gentoo.org/
Severity: Normal
Title: Epiphany: Buffer Overflow
Date: May 08, 2024
Bugs: #839786
ID: 202405-27
Synopsis
A vulnerability has been discovered in Epiphany, which can lead to a
buffer overflow.
Background
Epiphany is a GNOME webbrowser based on the Mozilla rendering engine
Gecko.
Affected packages
Package Vulnerable Unaffected
www-client/epiphany < 42.4 >= 42.4
Description
A vulnerability has been discovered in Epiphany. Please review the CVE
identifier referenced below for details.
Impact
In GNOME Epiphany an HTML document can trigger a client buffer overflow
(in ephy_string_shorten) via a long page title. The issue occurs because
the number of bytes for a UTF-8 ellipsis character is not properly
considered.
Workaround
There is no known workaround at this time.
Resolution
All Epiphany users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose “>=www-client/epiphany-42.4”
References
[ 1 ] CVE-2022-29536
https://nvd.nist.gov/vuln/detail/CVE-2022-29536
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202405-27
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
Related news
Ubuntu Security Notice 5561-1 - It was discovered that GNOME Web incorrectly filtered certain strings. A remote attacker could use this issue to perform cross-site scripting attacks. This issue only affected Ubuntu 20.04 LTS. It was discovered that GNOME Web incorrectly handled certain long page titles. A remote attacker could use this issue to cause GNOME Web to crash, resulting in a denial of service, or possibly execute arbitrary code.
In GNOME Epiphany before 41.4 and 42.x before 42.2, an HTML document can trigger a client buffer overflow (in ephy_string_shorten in the UI process) via a long page title. The issue occurs because the number of bytes for a UTF-8 ellipsis character is not properly considered.