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OpenAdvisories
High RLSA-2026:80510 1 CVE

Important: compat-openssl10 security update

Published Oct 13, 2026 · Updated Oct 13, 2026

Summary

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries and is provided for compatibility with previous releases and software that does not support compilation with OpenSSL-1.1.

Security Fix(es):

* openssl: compat-openssl: DTLS Retransmits Handshake Messages From a Stale Buffer Offset (CVE-2026-84782)

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 1

ReleasePackageFixed in
Rocky Linux · 8 compat-openssl10 1:1.0.2o-4.el8_10.4

Vulnerabilities 1

  • High 8.2

    DTLS Retransmits Handshake Messages From a Stale Buffer Offset

    Issue summary: The DTLS retransmission logic does not correctly handle a handshake message write that is suspended part-way through. The retransmitted message can be read past the message buffer and the retransmission overwrites the internal state the suspend…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2537080
  • advisory
    https://access.redhat.com/errata/RHSA-2026:80510