CVE-2021-45261: GNU Patch

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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

Affected products

• GNU Patch: version 2.7 only

Published 2021-12-22. Last modified 2026-06-17.