[xml/sgml-pkgs] Bug#1006489: libxml2: CVE-2022-23308: Use-after-free of ID and IDREF attributes

[Salvatore Bonaccorso]

Source: libxml2
Version: 2.9.12+dfsg-6
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libxml2/-/issues/327
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libxml2.

CVE-2022-23308[0]:
| valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF
| attributes.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2022-23308
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23308
[1] https://gitlab.gnome.org/GNOME/libxml2/-/issues/327
[2] https://gitlab.gnome.org/GNOME/libxml2/-/commit/652dd12a858989b14eed4e84e453059cd3ba340e

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore