CVE-2024-26256

Libarchive Remote Code Execution Vulnerability

CVE-2024-26256 is fixed in 9 products on 2 platforms, first by KB5036893, released April 9, 2024. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

UrgentFixed on 2 platforms

CVSS

7.8

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.8790

99th percentile

libarchive - security update

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 11 Version 22H2 for ARM64-based Systems		KB5036893	Apr 9, 2024
Windows 11 Version 22H2 for x64-based Systems		KB5036893	Apr 9, 2024
Windows 11 Version 23H2 for ARM64-based Systems		KB5036893	Apr 9, 2024
Windows 11 Version 23H2 for x64-based Systems		KB5036893	Apr 9, 2024
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.830	KB5036910	Apr 9, 2024
Linux
libarchive · Debian 12.15 (bookworm)	3.6.2-1+deb12u1	DSA-5706-1	Jun 5, 2024
libarchive · Debian 13.5 (trixie)	3.7.2-2.1	DEBIAN-CVE-2024-26256	Apr 9, 2024
libarchive · Debian 14	3.7.2-2.1	DEBIAN-CVE-2024-26256	Apr 9, 2024
libarchive-tools · Ubuntu 22.04.1 LTS (jammy)	3.6.0-1ubuntu1.1	libarchive-tools 3.6.0-1ubuntu1.1	Apr 9, 2024
libarchive-tools · Ubuntu 24.04.5 LTS (noble)	3.7.2-2ubuntu0.1	libarchive-tools 3.7.2-2ubuntu0.1	Apr 9, 2024
libarchive13 · Ubuntu 22.04.1 LTS (jammy)	3.6.0-1ubuntu1.1	libarchive13 3.6.0-1ubuntu1.1	Apr 9, 2024
libarchive13t64 · Ubuntu 24.04.5 LTS (noble)	3.7.2-2ubuntu0.1	libarchive13t64 3.7.2-2ubuntu0.1	Apr 9, 2024

Details

Published
April 9, 2024
Weakness
Heap-based Buffer Overflow
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26256

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