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

🗓️ 11 Mar 2026 05:24:06Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Go archive/zip flaw causes excessive CPU and memory use and denial of service on crafted archives.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64podman5:5.4.0-16.rhaos4.20.el9podman-5:5.4.0-16.rhaos4.20.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepodman5:5.4.0-16.rhaos4.20.el9podman-5:5.4.0-16.rhaos4.20.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpodman5:5.4.0-16.rhaos4.20.el9podman-5:5.4.0-16.rhaos4.20.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64podman5:5.4.0-16.rhaos4.20.el9podman-5:5.4.0-16.rhaos4.20.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64podman-debuginfo5:5.4.0-16.rhaos4.20.el9podman-debuginfo-5:5.4.0-16.rhaos4.20.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepodman-debuginfo5:5.4.0-16.rhaos4.20.el9podman-debuginfo-5:5.4.0-16.rhaos4.20.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpodman-debuginfo5:5.4.0-16.rhaos4.20.el9podman-debuginfo-5:5.4.0-16.rhaos4.20.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64podman-debuginfo5:5.4.0-16.rhaos4.20.el9podman-debuginfo-5:5.4.0-16.rhaos4.20.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64podman-debugsource5:5.4.0-16.rhaos4.20.el9podman-debugsource-5:5.4.0-16.rhaos4.20.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepodman-debugsource5:5.4.0-16.rhaos4.20.el9podman-debugsource-5:5.4.0-16.rhaos4.20.el9.ppc64le.rpm
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24 Jul 2026 09:22Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
EPSS0.00643
SSVC
4