Skip to content
OpenAdvisories
High RHSA-2026:22312 2 CVEs

Red Hat Security Advisory: openssl security update

Published Jun 2, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 10

ReleasePackageFixed in
Red Hat · RHEL 9 enterprise_linux:9::appstream openssl-debuginfo 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream openssl-debugsource 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream openssl-devel 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream openssl-libs-debuginfo 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::appstream openssl-perl 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos openssl 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos openssl-debuginfo 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos openssl-debugsource 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos openssl-libs 1:3.5.5-3.el9_8
Red Hat · RHEL 9 enterprise_linux:9::baseos openssl-libs-debuginfo 1:3.5.5-3.el9_8

Vulnerabilities 2

  • High 7.5
    CVE-2026-28390

    Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo

    Issue summary: During processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo a NULL pointer dereference can happen. Impact summary: Applications that process attacker-controlled CMS data may crash before authentication or cryptograph…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • Medium 6.5
    CVE-2026-2673

    OpenSSL TLS 1.3 server may choose unexpected key agreement group

    Issue summary: An OpenSSL TLS 1.3 server may fail to negotiate the expected preferred key exchange group when its key exchange group configuration includes the default by using the 'DEFAULT' keyword. Impact summary: A less preferred key exchange may be used e…

    OpenSSL OpenSSL openssl nodejs Debian Ubuntu Alpine Wolfi

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2456314
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22312.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-2673
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2447327
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-2673
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-2673
  • article
    https://github.com/openssl/openssl/commit/2157c9d81f7b0bd7dfa25b960e928ec28e8dd63f
  • article
    https://github.com/openssl/openssl/commit/85977e013f32ceb96aa034c0e741adddc1a05e34
  • article
    https://openssl-library.org/news/secadv/20260313.txt
  • report
    https://access.redhat.com/security/cve/CVE-2026-28390
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-28390
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-28390
  • article
    https://github.com/openssl/openssl/commit/01194a8f1941115cd0383bfa91c736dd3993c8bc
  • article
    https://github.com/openssl/openssl/commit/2e39b7a6993be445fddb9fbce316fa756e0397b6
  • article
    https://github.com/openssl/openssl/commit/af2a5fecd3e71a29e7568f9c1453dec5cebbaff4
  • article
    https://github.com/openssl/openssl/commit/ea7b4ea4f9f853521ba34830cbcadc970d2e0788
  • article
    https://github.com/openssl/openssl/commit/fd2f1a6cf53b9ceeca723a001aa4b825d7c7ee75
  • article
    https://openssl-library.org/news/secadv/20260407.txt