Skip to content
OpenAdvisories
High RHSA-2026:44438 1 CVE

Red Hat Security Advisory: compat-openssl11 security update

Published Jul 24, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 1

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream compat-openssl11 1:1.1.1k-5.el9_8.4

Vulnerabilities 1

  • High 8.8
    CVE-2026-45447 Public exploit

    Heap Use-After-Free in the PKCS7_verify() Function

    Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2481898
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_44438.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-45447
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-45447
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-45447