Name: CVE-2021-45261: Release of Invalid Pointer or Reference
Published: 2021-12-22T00:00:00.000Z
Keywords: CVE, CVE-2021-45261, CWE-763, CVSS 5.5, EPSS 0.00705

An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.

CVSS Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	View advisory ↗	no-fix-debian-deb-package	May 15, 2025	Dec 22, 2021
Redhat_linux	—	no-fix-redhat-rpm-package	Jul 9, 2025	Dec 22, 2021
Ubuntu	View advisory ↗View advisory ↗	no-fix-ubuntu-package	Jun 26, 2025	Dec 22, 2021

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub