Stack-based Buffer Overflow Affecting gnupg package, versions [2.5.13,2.5.17)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-GNUPG-15124047
- published28 Jan 2026
- disclosed27 Jan 2026
- creditUnknown
Introduced: 27 Jan 2026
CVE-2026-24881 (opens in a new tab)How to fix?
Upgrade gnupg to version 2.5.17 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the PKDECRYPT--kem=CMS process. An attacker can execute arbitrary code or cause a denial of service by sending a specially crafted CMS (S/MIME) EnvelopedData message containing an oversized wrapped session key.