NULL Pointer Dereference 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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- published28 Jan 2026
- disclosed27 Jan 2026
- creditUnknown
Introduced: 27 Jan 2026
CVE-2026-24883 (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 NULL Pointer Dereference due to improper handling of long signature packet lengths in the parse_signature function. An attacker can cause the application to crash by submitting a specially crafted signature packet that results in a NULL pointer dereference.