CVE-2022-49043: Use After Free
First published: Sun Jan 26 2025(Updated: )
Last updated 29 January 2025
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libxml2 | <2.11.0 | |
| debian/libxml2 | <=2.9.10+dfsg-6.7+deb11u4<=2.9.10+dfsg-6.7+deb11u5<=2.9.14+dfsg-1.3~deb12u1<=2.12.7+dfsg+really2.9.14-0.2 |
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Reference Links
- https://github.com/php/php-src/issues/17467
- https://gitlab.gnome.org/GNOME/libxml2/-/commit/5a19e21605398cef6a8b1452477a8705cb41562b
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-49043
- https://nvd.nist.gov/vuln/detail/CVE-2022-49043
- https://launchpad.net/bugs/cve/CVE-2022-49043
- https://security-tracker.debian.org/tracker/CVE-2022-49043
- https://ubuntu.com/security/CVE-2022-49043
Frequently Asked Questions
What is the severity of CVE-2022-49043?
CVE-2022-49043 has a high severity due to its use-after-free vulnerability in libxml2.
How do I fix CVE-2022-49043?
To resolve CVE-2022-49043, upgrade libxml2 to version 2.11.0 or later.
Which versions of libxml2 are affected by CVE-2022-49043?
CVE-2022-49043 affects all versions of libxml2 prior to 2.11.0.
Is CVE-2022-49043 exploitable remotely?
Yes, CVE-2022-49043 can potentially be exploited remotely, leading to application crashes or code execution.
What software uses libxml2 and is impacted by CVE-2022-49043?
Software that relies on libxml2 versions prior to 2.11.0 may be impacted by CVE-2022-49043.
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