Bug#1005894: expat: CVE-2022-25235

[Salvatore Bonaccorso]

Source: expat
Version: 2.4.4-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/libexpat/libexpat/pull/562
X-Debbugs-Cc: car...@debian.org, Debian Security Team <te...@security.debian.org>

Hi,

The following vulnerability was published for expat.

CVE-2022-25235[0]:
| xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain
| validation of encoding, such as checks for whether a UTF-8 character
| is valid in a certain context.


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-2022-25235
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-25235
[1] https://github.com/libexpat/libexpat/pull/562

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore