Red Hat Security Advisory: openssl security update

Fixed packages 28

Vulnerabilities 2

• Critical 9.8
  CVE-2024-4741

  Use After Free with SSL_free_buffers

  Issue summary: Calling the OpenSSL API function SSL_free_buffers may cause memory to be accessed that was previously freed in some situations Impact summary: A use after free can have a range of potential consequences such as the corruption of valid data, cra…

  OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  Nov 13, 2024
• 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
  Jun 9, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2283757
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2481898
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26275.json
• report
  https://access.redhat.com/security/cve/CVE-2024-4741
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-4741
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-4741
• article
  https://www.openssl.org/news/secadv/20240528.txt
• 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