- -------------------------------------------------------------------------
Debian Security Advisory DSA-5266-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
October 30, 2022                      https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : expat
CVE ID         : CVE-2022-43680
Debian Bug     : 1022743

A heap use-after-free vulnerability after overeager destruction of a
shared DTD in the XML_ExternalEntityParserCreate function in Expat, an
XML parsing C library, may result in denial of service or potentially
the execution of arbitrary code.

For the stable distribution (bullseye), this problem has been fixed in
version 2.2.10-2+deb11u5.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/expat

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5266-1: expat security update

October 30, 2022
A heap use-after-free vulnerability after overeager destruction of a shared DTD in the XML_ExternalEntityParserCreate function in Expat, an XML parsing C library, may result in den...

Summary

For the stable distribution (bullseye), this problem has been fixed in
version 2.2.10-2+deb11u5.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/expat

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
A heap use-after-free vulnerability after overeager destruction of a
shared DTD in the XML_ExternalEntityParserCreate function in Expat, an
XML parsing C library, may result in denial of service or potentially
the execution of arbitrary code.

Related News

4.Lock AbstractDigital Esm H320
2 - 3 min read
Tails 6.2 is a new Linux distribution release that expands its multilingual support and improves security features. The distribution is a
19.Laptop Bed Esm H320
2 - 3 min read
AlmaLinux 9.4 beta has been released and provides compelling reasons to consider it for desktop usage. While AlmaLinux is primarily known as a
32.Lock Code Circular Esm H320
2 - 3 min read
Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs.
1.Penguin Landscape Esm H320
2 - 3 min read
A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's
10.FingerPrint Locks Esm H320
2 - 3 min read
The recent release of I2P 2.5.0 , an anonymous P2P network that protects against online censorship, surveillance, and monitoring, has brought a slew
24.Key Code Esm H320
2 - 3 min read
The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on
5.ShakingHands Esm H320
2 - 3 min read
At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux
30.Lock Globe Motherboard Esm H320
1 - 2 min read
The SPDX 3.0 release marks a significant milestone in software management, particularly for Linux admins, infosec professionals, internet security
Sign Up