PT-2026-5011 · Gnupg · Gnupg

Aisle Research + 1 · Published 2026-01-01 · Updated 2026-02-08 · CVE-2026-24883

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GnuPG versions prior to 2.5.17

Description A long signature packet length can cause the parse signature function to return success while setting the sig->data pointer to a NULL value. This results in a denial of service, specifically an application crash.

Recommendations Update to a version of GnuPG 2.5.17 or later.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-24883

ECHO-273B-FD6D-3AFE

OPENSUSE-SU-2026:10112-1

OPENSUSE-SU-2026:20136-1

SUSE-SU-2026:20179-1

SUSE-SU-2026:20195-1

Affected Products

Gnupg

References · 22

• https://security-tracker.debian.org/tracker/CVE-2026-24883 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24883 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20179-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-24883 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10112-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20195-1 · Vendor Advisory
• https://dev.gnupg.org/T8049 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2026:20136-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-24883 · Vendor Advisory
• https://twitter.com/oss_security/status/2020359875256275020 · Twitter Post
• https://suse.com/support/update/announcement/2026/suse-su-202620195-1 · Note
• https://suse.com/support/update/announcement/2026/suse-su-202620179-1 · Note
• https://bugzilla.suse.com/1257396 · Note
• https://suse.com/security/cve/CVE-2026-24883 · Note
• https://t.me/cveNotify/151169 · Telegram Post