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OpenAdvisories
High RHSA-2025:22969 1 CVE

Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (libwebsockets) security update

Published Dec 10, 2025 · Updated Mar 18, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · OpenStack 17 openstack:17.1::el9 libwebsockets 0:4.3.0-2.el9ost
Red Hat · OpenStack 17 openstack:17.1::el9 libwebsockets-debuginfo 0:4.3.0-2.el9ost
Red Hat · OpenStack 17 openstack:17.1::el9 libwebsockets-debugsource 0:4.3.0-2.el9ost
Red Hat · OpenStack 17 openstack:17.1::el9 libwebsockets-devel-debuginfo 0:4.3.0-2.el9ost

Vulnerabilities 1

  • High 7.5
    CVE-2025-11678

    Stack-based Buffer Overflow in libwebsockets DNS response parsing

    Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response…

    warmcat libwebsocket libwebsockets libwebsockets Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2405139
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22969.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-11678
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-11678
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-11678
  • article
    https://libwebsockets.org/git/libwebsockets/commit?id=2bb9598562b37c942ba5b04bcde3f7fdf66a9d3a
  • article
    https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11678