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golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip

🗓️ 11 Jun 2026 13:40:31Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 11 Views

Flaw in archive/zip causes excessive CPU and memory use when indexing names on first open, risking denial of service.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64podman2:4.4.1-22.el9_2.11podman-2:4.4.1-22.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lepodman2:4.4.1-22.el9_2.11podman-2:4.4.1-22.el9_2.11.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xpodman2:4.4.1-22.el9_2.11podman-2:4.4.1-22.el9_2.11.s390x.rpm
Red Hat Enterprise Linux9.2x86_64podman2:4.4.1-22.el9_2.11podman-2:4.4.1-22.el9_2.11.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64podman-debuginfo2:4.4.1-22.el9_2.11podman-debuginfo-2:4.4.1-22.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lepodman-debuginfo2:4.4.1-22.el9_2.11podman-debuginfo-2:4.4.1-22.el9_2.11.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xpodman-debuginfo2:4.4.1-22.el9_2.11podman-debuginfo-2:4.4.1-22.el9_2.11.s390x.rpm
Red Hat Enterprise Linux9.2x86_64podman-debuginfo2:4.4.1-22.el9_2.11podman-debuginfo-2:4.4.1-22.el9_2.11.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64podman-debugsource2:4.4.1-22.el9_2.11podman-debugsource-2:4.4.1-22.el9_2.11.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lepodman-debugsource2:4.4.1-22.el9_2.11podman-debugsource-2:4.4.1-22.el9_2.11.ppc64le.rpm
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22 Jul 2026 09:07Current
7High risk
Vulners AI Score7
CVSS 3.16.5
EPSS0.00643
SSVC
11