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OpenAdvisories
Medium ALSA-2026:22314 1 CVE

Moderate: openssl security update

Published Jun 1, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es):

* openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing (CVE-2026-28390)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 4

ReleasePackageFixed in
AlmaLinux · 10 openssl 1:3.5.5-3.el10_2.alma.1
AlmaLinux · 10 openssl-devel 1:3.5.5-3.el10_2.alma.1
AlmaLinux · 10 openssl-libs 1:3.5.5-3.el10_2.alma.1
AlmaLinux · 10 openssl-perl 1:3.5.5-3.el10_2.alma.1

Vulnerabilities 1

  • 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

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-28390
  • report
    https://bugzilla.redhat.com/2456314
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-22314.html