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OpenAdvisories
High RHSA-2026:77959 1 CVE

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

Published Oct 10, 2026 · Updated Oct 17, 2026

Ecosystem: Red Hat

Fixed packages 3

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 expat 0:2.8.5-1.2.hum1
Red Hat · Hardened Images 1 hummingbird:1 expat-devel 0:2.8.5-1.2.hum1
Red Hat · Hardened Images 1 hummingbird:1 expat-static 0:2.8.5-1.2.hum1

Vulnerabilities 1

  • High 8.2
    CVE-2026-77214

    libexpat Heap Buffer Over-read in xmlparse.c via XML_ParseBuffer

    libexpat before commit 13c5f63 contains a heap buffer over-read vulnerability in xmlparse.c. XML_ParseBuffer advances the parse buffer end with parser->m_bufferEnd += len using a caller-supplied length that is not validated against the allocated buffer size, …

    libexpat project libexpat insighttoolkit4 cmake Debian Ubuntu Azure Linux Alpine

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-77214
  • 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_77959.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2547476
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-77214
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-77214
  • article
    https://github.com/libexpat/libexpat/commit/13c5f63a7f1c52c2feee3b16a1134d4fb68e9ea0
  • article
    https://github.com/libexpat/libexpat/pull/1393
  • article
    https://www.vulncheck.com/advisories/libexpat-heap-buffer-over-read-in-xmlparse-c-via-xml-parsebuffer