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

🗓️ 25 Jun 2026 11:00:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Go archive/zip flaw: super-linear indexing causes excessive CPU and memory on first open.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64podman3:4.4.1-19.rhaos4.13.el8podman-3:4.4.1-19.rhaos4.13.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lepodman3:4.4.1-19.rhaos4.13.el8podman-3:4.4.1-19.rhaos4.13.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xpodman3:4.4.1-19.rhaos4.13.el8podman-3:4.4.1-19.rhaos4.13.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64podman3:4.4.1-19.rhaos4.13.el8podman-3:4.4.1-19.rhaos4.13.el8.x86_64.rpm
Red Hat Enterprise Linux9aarch64podman3:4.4.1-20.rhaos4.13.el9podman-3:4.4.1-20.rhaos4.13.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepodman3:4.4.1-20.rhaos4.13.el9podman-3:4.4.1-20.rhaos4.13.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpodman3:4.4.1-20.rhaos4.13.el9podman-3:4.4.1-20.rhaos4.13.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64podman3:4.4.1-20.rhaos4.13.el9podman-3:4.4.1-20.rhaos4.13.el9.x86_64.rpm
Red Hat Enterprise Linux8aarch64podman-catatonit3:4.4.1-19.rhaos4.13.el8podman-catatonit-3:4.4.1-19.rhaos4.13.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lepodman-catatonit3:4.4.1-19.rhaos4.13.el8podman-catatonit-3:4.4.1-19.rhaos4.13.el8.ppc64le.rpm
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18 Jul 2026 09:16Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.16.5
EPSS0.00643
SSVC
4