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OpenAdvisories

Product · GNU

patch

2 known vulnerabilities.

All Critical High Medium Low Exploited only

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  • Medium 4.6
    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 ente…

    GNU patch patch patch Debian Ubuntu Alpine
  • Medium 4.6
    CVE-2026-56288

    NULL Pointer Dereference in GNU patch

    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, causin…

    GNU patch patch patch Debian Ubuntu Alpine