patch vulnerabilities and fixes
Recent CVEs affecting patch, with upgrade or downgrade steps. 2 tracked.
patch has 2 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 2. Most recent: 2026-07-09. Highest priority: CVE-2026-56288 (score 20/100).
- CVE-2026-56288 MEDIUM 5.5 UPGRADE GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch f
- CVE-2026-56289 MEDIUM 5.5 UPGRADE GNU patch is vulnerable to a denial of service (DoS) due to improper validation of hunk (single block of chang
FAQ
How do I fix patch vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is patch being exploited right now?
None of the tracked patch CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which patch CVE should I patch first?
CVE-2026-56288 currently ranks highest (20/100): GNU patch is vulnerable to a NULL pointer dereference when processing a specially crafted unified-diff patch f.