DEBIAN-CVE-2026-56288

Source
https://security-tracker.debian.org/tracker/CVE-2026-56288
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56288.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-56288
Upstream
  • CVE-2026-56288
Published
2026-07-09T11:16:40Z
Modified
2026-09-14T17:03:20Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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 to fwrite() during patch processing. An attacker can trigger this condition with a malicious patch file, causing the utility to crash and resulting in a denial of service. This issue has been fixed in the commit e6d6a4e021660679d7fc9150f981d4920f722313

References

Affected packages

Debian:12 / patch

Package

Name
patch
Purl
pkg:deb/debian/patch?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.7.6-7
2.8-1
2.8-2

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56288.json"

Debian:13 / patch

Package

Name
patch
Purl
pkg:deb/debian/patch?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.8-2

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56288.json"

Debian:14 / patch

Package

Name
patch
Purl
pkg:deb/debian/patch?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.8-2

Ecosystem specific

{
    "urgency": "unimportant"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-56288.json"