PT-2021-24217 · Gnu+1 · Gnu Patch+1

Psumbera · Published 2021-12-22 · Updated 2026-03-03 · CVE-2021-45261

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: GNU patch version 2.7

Description: An Invalid Pointer issue exists, which causes a Denial of Service via the another hunk function.

Recommendations: For GNU patch version 2.7, consider applying a patch or fix that addresses the another hunk function issue to prevent Denial of Service attacks.

Exploit

Fix

DoS

Weakness Enumeration

CWE-763

Related Identifiers

CVE-2021-45261

ECHO-36A0-A7E1-89D6

OPENSUSE-SU-2026:10140-1

OPENSUSE-SU-2026:20227-1

SUSE-SU-2026:0781-1

SUSE-SU-2026:20343-1

SUSE-SU-2026:20431-1

Affected Products

Debian

Gnu Patch

References · 18

• 🔥 https://savannah.gnu.org/bugs/?61685 · Exploit
• https://ubuntu.com/security/CVE-2021-45261 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10140-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20431-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20227-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-45261 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20343-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45261 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-45261 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45261 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-45261 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0781-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45261 · Vendor Advisory
• https://bugzilla.suse.com/1194037 · Note
• https://suse.com/support/update/announcement/2026/suse-su-20260781-1 · Note