Description
Multiple use-after-free vulnerabilities in libxml2 2.9.0 and possibly other versions might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the (1) htmlParseChunk and (2) xmldecl_done functions, as demonstrated by a buffer overflow in the xmlBufGetInputBase function.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libxml2 | 2.9.4-1.22 | openSUSE-SU-2024:10192-1 |
Advisories 3
- openSUSE-SU-2024:10192-1 libxml2-2-2.9.4-1.22 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3392 libxml2: Schwachstelle ermöglicht Ausführen beliebigen Programmcodes mit Benutzerrechten BSI CERT-Bund (WID) · Dec 3, 2024
- WID-SEC-2023-1614 Tenable Security Nessus Network Monitor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 25, 2023
References
- https://git.gnome.org/browse/libxml2/commit/?id=de0cc20c29cb3f056062925395e0f68d2250a46f
- openSUSE-SU-2013:0729 vendor-advisory
- openSUSE-SU-2013:0945 vendor-advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=690202
- USN-1817-1 vendor-advisory
- [oss-security] 20130417 CVE request : libxml2 Multiple Use-After-Free Vulnerabilities mailing-list
- 53061 third-party-advisory
- [oss-security] 20130418 Re: CVE request : libxml2 Multiple Use-After-Free Vulnerabilities mailing-list