CVE-2026-24883

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CVSS 3.1

5.5 medium

EPSS

<1%p38

Published

Jan 27, 2026 (Jan 27, 2026)

Modified

Jun 17, 2026

Description

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).

Vendors: gnupg gpg4win
Products: gnupg, gpg4win
Weakness: CWE-476
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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