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OpenAdvisories
Medium RHSA-2026:7701 1 CVE

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published Apr 20, 2026 · Updated Oct 6, 2026

Ecosystem: Red Hat

Fixed packages 7

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-cairo 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-devel 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-gpu 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-icu 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-raster 0:14.1.0-2.hum1
Red Hat · Hardened Images 1 hummingbird:1 harfbuzz-vector 0:14.1.0-2.hum1

Vulnerabilities 1

  • Medium 5.3
    CVE-2026-22693

    Null Pointer Dereference in SubtableUnicodesCache::create leading to DoS

    HarfBuzz is a text shaping engine. Prior to version 12.3.0, a null pointer dereference vulnerability exists in the SubtableUnicodesCache::create function located in src/hb-ot-cmap-table.hh. The function fails to check if hb_malloc returns NULL before using pl…

    harfbuzz harfbuzz harfbuzz harfbuzz Debian Ubuntu Azure Linux

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-22693
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_7701.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2428439
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-22693
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-22693
  • article
    https://github.com/harfbuzz/harfbuzz/commit/1265ff8d990284f04d8768f35b0e20ae5f60daae
  • article
    https://github.com/harfbuzz/harfbuzz/security/advisories/GHSA-xvjr-f2r9-c7ww