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Gentoo Linux Security Advisory 202405-27

Gentoo Linux Security Advisory 202405-27
Posted May 9, 2024
Authored by Gentoo | Site security.gentoo.org

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.

tags | advisory, overflow
systems | linux, gentoo
advisories | CVE-2022-29536
SHA-256 | ea521ba9991bcd86765824e3a1beb74e67842c421b78985dbfe132d5dc3e8221

Gentoo Linux Security Advisory 202405-27

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202405-27
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https://security.gentoo.org/
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Severity: Normal
Title: Epiphany: Buffer Overflow
Date: May 08, 2024
Bugs: #839786
ID: 202405-27

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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
security@gentoo.org 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
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