[xml/sgml-pkgs] Bug#1051230: libxml2: CVE-2023-39615

[Salvatore Bonaccorso]

Source: libxml2
Version: 2.9.14+dfsg-1.3
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libxml2/-/issues/535
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libxml2.

CVE-2023-39615[0]:
| Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer
| overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c.
| This vulnerability allows attackers to cause a Denial of Service
| (DoS) via supplying a crafted XML file.


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-2023-39615
    https://www.cve.org/CVERecord?id=CVE-2023-39615
[1] https://gitlab.gnome.org/GNOME/libxml2/-/issues/535

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore