[xml/sgml-pkgs] Bug#1107938: libxml2: CVE-2025-6170

[Salvatore Bonaccorso]

Source: libxml2
Version: 2.12.7+dfsg+really2.9.14-1
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libxml2/-/issues/941
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libxml2.

CVE-2025-6170[0]:
| A flaw was found in the interactive shell of the xmllint command-
| line tool, used for parsing XML files. When a user inputs an overly
| long command, the program does not check the input size properly,
| which can cause it to crash. This issue might allow attackers to run
| harmful code in rare configurations without modern protections.


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-2025-6170
    https://www.cve.org/CVERecord?id=CVE-2025-6170
[1] https://gitlab.gnome.org/GNOME/libxml2/-/issues/941

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore