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OpenAdvisories
High RHSA-2026:3218 1 CVE

Red Hat Security Advisory: protobuf security update

Published Feb 25, 2026 · Updated Sep 1, 2026

Ecosystem: Red Hat

Fixed packages 11

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-compiler 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-compiler-debuginfo 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-debuginfo 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-debugsource 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-devel 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-lite 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-lite-debuginfo 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 protobuf-lite-devel 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-protobuf 0:3.19.6-11.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 python3-protobuf-debuginfo 0:3.19.6-11.el10_0.1

Vulnerabilities 1

  • High 8.2
    CVE-2026-0994 Public exploit

    Denial of Service in Python Protobuf

    A denial-of-service (DoS) vulnerability exists in google.protobuf.json_format.ParseDict() in Python, where the max_recursion_depth limit can be bypassed when parsing nested google.protobuf.Any messages. Due to missing recursion depth accounting inside the int…

    Python Protobuf mysql open-webui Debian Ubuntu Azure Linux Wolfi PyPI

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2432398
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3218.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-0994
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-0994
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-0994
  • article
    https://github.com/protocolbuffers/protobuf/pull/25239