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OpenAdvisories
High RHSA-2026:19066 2 CVEs

Red Hat Security Advisory: openssl security update

Published May 20, 2026 · Updated Oct 20, 2026

Ecosystem: Red Hat

Fixed packages 7

ReleasePackageFixed in
Red Hat · RHEL 10 enterprise_linux:10.2 openssl 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-debuginfo 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-debugsource 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-devel 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-libs 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-libs-debuginfo 1:3.5.5-2.el10_2
Red Hat · RHEL 10 enterprise_linux:10.2 openssl-perl 1:3.5.5-2.el10_2

Vulnerabilities 2

  • High 7.5
    CVE-2026-31790

    Incorrect Failure Handling in RSA KEM RSASVE Encapsulation

    Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer. Impact summary: The uninitialized buffer might contain sensitive data from the previous ex…

    OpenSSL OpenSSL openssl openssl 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=2451094
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_19066.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-2026-31790
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-31790
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-31790
  • article
    https://openssl-library.org/news/secadv/20260407.txt