[xml/sgml-pkgs] Bug#987739: libxml2: CVE-2021-3516

[Salvatore Bonaccorso]

Source: libxml2
Version: 2.9.10+dfsg-6.3
Severity: important
Tags: security upstream
Forwarded: https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libxml2.

CVE-2021-3516[0]:
| use-after-free in xmlEncodeEntitiesInternal() in entities.c

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-2021-3516
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3516
[1] https://gitlab.gnome.org/GNOME/libxml2/-/issues/230
[2] https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore