Bug#1051100: libtommath: CVE-2023-36328

[Salvatore Bonaccorso]

Source: libtommath
Version: 1.2.0-6
Severity: important
Tags: security upstream
Forwarded: https://github.com/libtom/libtommath/pull/546
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for libtommath.

CVE-2023-36328[0]:
| Integer Overflow vulnerability in mp_grow in libtom libtommath
| before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows
| attackers to execute arbitrary code and cause a denial of service
| (DoS).


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-2023-36328
    https://www.cve.org/CVERecord?id=CVE-2023-36328
[1] https://github.com/libtom/libtommath/pull/546
[2] https://github.com/libtom/libtommath/commit/beba892bc0d4e4ded4d667ab1d2a94f4d75109a9

Please adjust the affected versions in the BTS as needed.

Regards,
Salvaotre