[pkg-gnupg-maint] Bug#1126630: gnupg2: CVE-2026-24883

[Salvatore Bonaccorso]

Source: gnupg2
Version: 2.4.8-5
Severity: important
Tags: security upstream
Forwarded: https://dev.gnupg.org/T8049
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for gnupg2.

CVE-2026-24883[0]:
| In GnuPG before 2.5.17, a long signature packet length causes
| parse_signature to return success with sig->data[] set to a NULL
| value, leading to a denial of service (application crash).


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-2026-24883
    https://www.cve.org/CVERecord?id=CVE-2026-24883
[1] https://dev.gnupg.org/T8049

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore