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OpenAdvisories
Medium RHSA-2026:37468 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published Aug 22, 2026 · Updated Oct 17, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 patch 0:2.8-4.2.hum1

Vulnerabilities 1

  • 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 Azure Linux Alpine

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-56289
  • article
    https://access.redhat.com/security/updates/classification/
  • article
    https://images.redhat.com/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_37468.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2498462
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-56289
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-56289
  • article
    https://cert.pl/en/posts/2026/07/CVE-2026-56288
  • article
    https://cgit.git.savannah.gnu.org/cgit/patch.git/
  • article
    https://cgit.git.savannah.gnu.org/cgit/patch.git/commit/?id=faba04ef4f2b410257f76c1b9dc85e350929c4b9