Skip to content
OpenAdvisories
High RHSA-2026:57021 1 CVE

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

Published Aug 29, 2026 · Updated Nov 13, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · Hardened Images 1 hummingbird:1 openssl3 1:3.5.7-2.2.hum1
Red Hat · Hardened Images 1 hummingbird:1 openssl3-devel 1:3.5.7-2.2.hum1
Red Hat · Hardened Images 1 hummingbird:1 openssl3-devel-engine 1:3.5.7-2.2.hum1
Red Hat · Hardened Images 1 hummingbird:1 openssl3-libs 1:3.5.7-2.2.hum1

Vulnerabilities 1

  • High 7.5
    CVE-2026-54876

    Client-Side Memory Leak in OCSP Response Checking

    Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memo…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Wolfi

References

  • article
    https://images.redhat.com/
  • report
    https://access.redhat.com/security/cve/CVE-2026-54876
  • article
    https://access.redhat.com/security/updates/classification/
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57021.json
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2511600
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-54876
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-54876
  • article
    https://github.com/openssl/openssl/commit/155b5fe0f93365e6df1c56ee3606b121080c6c12
  • article
    https://github.com/openssl/openssl/commit/d8c51048ac037a21bae0f41cad7a3920dc7f3638
  • article
    https://openssl-library.org/news/secadv/20260805.txt