NULL Pointer Dereference in GNU patch

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Linux Distros Unpatched Vulnerability : CVE-2026-56289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A...

Linux Distros Unpatched Vulnerability : CVE-2026-56288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch file. Improper handling of consecutive end-of-file...

DEBIAN-CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

CVE-2026-56289 Loop with Unreachable Exit Condition in GNU patch

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

EUVD-2026-42557

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

CVE-2026-56289

CVE-2026-56289 affects GNU patch. The vulnerability is a DoS caused by improper validation of hunk line offsets in unified-diff input, where a crafted patch can specify an extremely large line number, causing an effectively infinite processing loop and high CPU usage, rendering the process unresp...

CVE-2026-56289

GNU patch is vulnerable to a denial of service DoS due to improper validation of hunk single block of changes in diff line offsets in unified-diff input. A specially crafted patch can specify an extremely large line number, causing the application to enter an effectively infinite processing loop...

EUVD-2026-42556

GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch file. Improper handling of consecutive end-of-file newline markers can corrupt internal hunk single block of changes in diff data structures, causing the application to pass a NULL pointer...

CVE-2026-56288

GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch file. Improper handling of consecutive end-of-file newline markers can corrupt internal hunk single block of changes in diff data structures, causing the application to pass a NULL pointer...

CVE-2026-56288

GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch file. Improper handling of consecutive end-of-file newline markers can corrupt internal hunk single block of changes in diff data structures, causing the application to pass a NULL pointer...

PT-2026-56775

Name of the Vulnerable Software and Affected Versions GNU patch affected versions not specified Description Improper handling of consecutive end-of-file newline markers when processing a specially crafted unified-diff patch file can corrupt internal hunk data structures. A hunk is a single block ...

PT-2026-56776

Name of the Vulnerable Software and Affected Versions GNU patch affected versions not specified Description Improper validation of hunk line offsets in unified-diff input allows a denial of service DoS. A hunk is a single block of changes within a diff file. By supplying a specially crafted patch...

JLSEC-2026-13

doedscript in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter...

JLSEC-2026-14

An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuitdifftype function in pch.c, aka a "mangled rename" issue...

JLSEC-2026-15

A double free exists in the anotherhunk function in pch.c in GNU patch through 2.7.6...

JLSEC-2026-16

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c...

EUVD-2019-5064

Malware in sbrugna...