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libarchive: heap overflow OOB read while parsing a tar archive contains a PAX extended header

🗓️ 21 Sep 2026 23:38:41Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 17 Views

Remote heap overflow in libarchive parsing PAX header with malformed SUN.holesdata, DoS or RCE.

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Packages
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64bsdcat-debuginfo3.7.7-11.el10_2bsdcat-debuginfo-3.7.7-11.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebsdcat-debuginfo3.7.7-11.el10_2bsdcat-debuginfo-3.7.7-11.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xbsdcat-debuginfo3.7.7-11.el10_2bsdcat-debuginfo-3.7.7-11.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64bsdcat-debuginfo3.7.7-11.el10_2bsdcat-debuginfo-3.7.7-11.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64bsdcpio-debuginfo3.7.7-11.el10_2bsdcpio-debuginfo-3.7.7-11.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebsdcpio-debuginfo3.7.7-11.el10_2bsdcpio-debuginfo-3.7.7-11.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xbsdcpio-debuginfo3.7.7-11.el10_2bsdcpio-debuginfo-3.7.7-11.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64bsdcpio-debuginfo3.7.7-11.el10_2bsdcpio-debuginfo-3.7.7-11.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64bsdtar3.7.7-11.el10_2bsdtar-3.7.7-11.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebsdtar3.7.7-11.el10_2bsdtar-3.7.7-11.el10_2.ppc64le.rpm
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09 Oct 2026 01:10Current
8High risk
Vulners AI Score8
CVSS 3.13.9
EPSS0.00204
SSVC
17