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Medium 5.5Published Jan 27, 2026
CVE-2026-24883In 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).
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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).
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
gnupg gnupg gnupg:gnupg | from 2.5.13 before 2.5.17 | NVD |
gpg4win gpg4win gpg4win:gpg4win | from 5.0.0 before 5.0.1 | NVD |
References
- https://dev.gnupg.org/T8049patch, product
- https://www.openwall.com/lists/oss-security/2026/01/27/8mailing-list, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.