CVE-2026-24883

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).

Scoring

Severity

LOW

CVSS base score

3.7

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS probability

0.47%

CWE

CWE-476

Published

2026-01-27

Last modified

2026-09-14

Affected products

• GnuPG GnuPG

Weakness type

• CWE-476

Related vulnerabilities

• CVE-2026-55209 — resdata insufficiently validates untrusted GRDECL files
• CVE-2026-58161 — Apache Traffic Server: Memory-safety errors in TLS and SNI handling can crash the server
• CVE-2026-42766 — Possible NULL Dereference in Password-Based CMS Decryption
• CVE-2026-60109 — Zeek < 8.0.9 Null Pointer Dereference DoS via Kerberos KRB_ERROR Parsing
• CVE-2026-67304 — FreeRDP before 3.29.0 NULL Dereference via smartcard cleanup
• CVE-2026-67288 — FreeRDP before 3.29.0 Denial of Service via smartcard cache
• CVE-2026-55204 — HAProxy - NULL Pointer Dereference in hpack_dht_insert Function
• CVE-2026-13084 — Null Pointer Dereference in WatchGuard Fireware OS iked Process

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