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libarchive: libarchive: use-after-free via aliased Mac metadata copy

🗓️ 07 Oct 2026 19:19:41Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 1 Views

Use-after-free in libarchive's archive_entry_copy_mac_metadata() causes DoS or info disclosure.

Related
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Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-17591
16 Oct 202622:27
–circl
cve
CVE
CVE-2026-17591
16 Oct 202622:03
–cve
cvelist
Cvelist
CVE-2026-17591 Libarchive: libarchive: use-after-free via aliased mac metadata copy
16 Oct 202622:03
–cvelist
debiancve
Debian CVE
CVE-2026-17591
16 Oct 202622:03
–debiancve
euvd
EUVD
EUVD-2026-103190
17 Oct 202600:31
–euvd
nvd
NVD
CVE-2026-17591
16 Oct 202623:17
–nvd
ptsecurity
Positive Technologies
PT-2026-116176
16 Oct 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-17591
16 Oct 202622:03
–redhatcve
redhat
RedHat Linux
Low: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
7 Oct 202619:19
–redhat
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-17591
17 Oct 202600:00
–nessus
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64bsdcat3.8.9-2.1.hum1bsdcat-3.8.9-2.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanys390xbsdcat3.8.9-2.1.hum1bsdcat-3.8.9-2.1.hum1.s390x.rpm
Red Hat Hardened Imagesanyx86_64bsdcat3.8.9-2.1.hum1bsdcat-3.8.9-2.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64bsdcpio3.8.9-2.1.hum1bsdcpio-3.8.9-2.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanys390xbsdcpio3.8.9-2.1.hum1bsdcpio-3.8.9-2.1.hum1.s390x.rpm
Red Hat Hardened Imagesanyx86_64bsdcpio3.8.9-2.1.hum1bsdcpio-3.8.9-2.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64bsdtar3.8.9-2.1.hum1bsdtar-3.8.9-2.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanys390xbsdtar3.8.9-2.1.hum1bsdtar-3.8.9-2.1.hum1.s390x.rpm
Red Hat Hardened Imagesanyx86_64bsdtar3.8.9-2.1.hum1bsdtar-3.8.9-2.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64bsdunzip3.8.9-2.1.hum1bsdunzip-3.8.9-2.1.hum1.aarch64.rpm
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17 Oct 2026 16:50Current
6Medium risk
Vulners AI Score6
CVSS 3.13.6
EPSS0.00109
1