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Sicherheitslücken in patch

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für patch: 0. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 5

  1. CVE-2026-56289

    Mittel · CVSS 4.6EPSS 0,11%Keine Korrektur veröffentlicht

    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 while attempting to locate the requested position. This results in excessive CPU consumption and prevents the process from completing. An attacker can trigger this behavior by supplying a malicious patch file, causing the utility to become unresponsive and require manual termination. This issue has been fixed in the commit faba04ef4f2b410257f76

    Veröffentlicht Aktualisiert
  2. CVE-2026-56288

    Mittel · CVSS 4.6EPSS 0,11%Keine Korrektur veröffentlicht

    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, 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

    Veröffentlicht Aktualisiert
  3. CVE-2019-20633

    Mittel · CVSS 5.5EPSS 1,02%Keine Korrektur veröffentlicht

    CVE-2019-20633

    GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

    Veröffentlicht Aktualisiert

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