CVE-2026-24883
GnuPG: GnuPG: Denial of service due to specially crafted signature packet
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 28, 2026
Updated · July 3, 2026
Description
A flaw was found in GnuPG. A remote attacker could provide a specially crafted long signature packet that, when processed, causes the application to crash. This vulnerability leads to a denial of service (DoS), making the GnuPG application unavailable to legitimate users.
Statement
This LOW impact vulnerability in GnuPG allows a remote attacker to trigger a denial of service. By processing a specially crafted long signature packet, the GnuPG application can crash, rendering it unavailable. This affects Red Hat Enterprise Linux and other products utilizing GnuPG.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-476 · NULL Pointer Dereference