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Important: Red Hat Security Advisory: libarchive security update

🗓️ 16 Apr 2026 14:57:10Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com

RHEL 10 libarchive security update fixes information disclosure via heap out-of-bounds read in RAR processing (CVE 2026 4424).

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ATTACKERKB		CVE-2026-4424
19 Mar 202613:50
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Tenable Nessus		AlmaLinux 10 : libarchive (ALSA-2026:8492)
21 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : libarchive (ALSA-2026:8510)
17 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : libarchive (ALSA-2026:8534)
20 Apr 202600:00
–nessus
Tenable Nessus		Debian dla-4563 : libarchive-dev - security update
5 May 202600:00
–nessus
Tenable Nessus		MiracleLinux 9 : libarchive-3.5.3-9.el9_7 (AXSA:2026-455:02)
19 Apr 202600:00
–nessus
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28 May 2026 20:58Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.001
SSVC
libarchiveRAR processinginformation disclosureheap out of boundsCVE 2026 4424security updateRed Hat Enterprise Linux 10
0