CVE-2026-4424

Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing

CVE-2026-4424 is fixed in 10 products on 2 platforms, first by DEBIAN-CVE-2026-4424, released March 19, 2026. It is not reported as exploited. Patch Radar priority: High.

HighFixed on 2 platforms
CVSS
7.5
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0129
70th percentile

This is a vulnerability in open source code and Apple Software is among the affected projects. The

Where it's fixed

ProductFixed inFixReleased
macOS
Sequoia 15.7.8 Sequoia 15.7.8 Jul 27, 2026
Sonoma 14.8.8 Sonoma 14.8.8 Jul 27, 2026
Tahoe 26.6 Tahoe 26.6 Jul 27, 2026
Linux
bsdcpio · Ubuntu 18.04.6 LTS (bionic) 3.2.2-3.1ubuntu0.7+esm3 bsdcpio 3.2.2-3.1ubuntu0.7+esm3 Mar 30, 2026
bsdtar · RHEL 8 0:3.3.3-7.el8_10 RHSA-2026:8534 Apr 30, 2026
bsdtar · RHEL 9 0:3.5.3-9.el9_7 RHSA-2026:8510 Apr 30, 2026
bsdtar · Ubuntu 18.04.6 LTS (bionic) 3.2.2-3.1ubuntu0.7+esm3 bsdtar 3.2.2-3.1ubuntu0.7+esm3 Mar 30, 2026
bsdtar · almalinux 10 3.7.7-8.el10_1 ALSA-2026:8492 Apr 16, 2026
bsdtar · almalinux 8 3.3.3-7.el8_10 ALSA-2026:8534 Apr 16, 2026
bsdtar · almalinux 9 3.5.3-9.el9_7 ALSA-2026:8510 Apr 16, 2026
bsdtar · ol 10 0:3.7.7-8.el10_1 ELSA-2026-8492 Apr 16, 2026
bsdtar · ol 8 0:3.3.3-7.el8_10 ELSA-2026-8534 Apr 16, 2026
bsdtar · ol 9 0:3.5.3-9.el9_7 ELSA-2026-8510 Apr 16, 2026
libarchive · Debian 12.15 (bookworm) 3.6.2-1+deb12u4 DEBIAN-CVE-2026-4424 Mar 19, 2026
libarchive · Debian 13.5 (trixie) 3.7.4-4+deb13u1 DEBIAN-CVE-2026-4424 Mar 19, 2026
libarchive · Debian 14 3.8.7-1 DEBIAN-CVE-2026-4424 Mar 19, 2026
libarchive · RHEL 10 3.7.7-5.el10_0 RHSA-2026:8865 Apr 15, 2026
libarchive · RHEL 8 0:3.3.3-7.el8_10 RHSA-2026:8534 Apr 30, 2026
libarchive · RHEL 9 0:3.5.3-9.el9_7 RHSA-2026:8510 Apr 30, 2026
libarchive · almalinux 10 3.7.7-8.el10_1 ALSA-2026:8492 Apr 16, 2026
libarchive · almalinux 8 3.3.3-7.el8_10 ALSA-2026:8534 Apr 16, 2026
libarchive · almalinux 9 3.5.3-9.el9_7 ALSA-2026:8510 Apr 16, 2026
libarchive · ol 10 0:3.7.7-8.el10_1 ELSA-2026-8492 Apr 16, 2026
libarchive · ol 8 0:3.3.3-7.el8_10 ELSA-2026-8534 Apr 16, 2026
libarchive · ol 9 0:3.5.3-9.el9_7 ELSA-2026-8510 Apr 16, 2026
libarchive · rocky 10 0:3.7.7-8.el10_1 RLSA-2026:8492 Apr 18, 2026
libarchive · rocky 8 0:3.3.3-7.el8_10 RLSA-2026:8534 Apr 18, 2026
libarchive · rocky 9 0:3.5.3-9.el9_7 RLSA-2026:8510 Apr 19, 2026
libarchive · sles 15.6 3.7.2-150600.3.20.1 SUSE-SU-2026:2490-1 Jun 22, 2026
libarchive · sles 15.7 3.7.2-150600.3.20.1 SUSE-SU-2026:2490-1 Jun 22, 2026
libarchive-devel · RHEL 8 0:3.3.3-7.el8_10 RHSA-2026:8534 Apr 30, 2026
libarchive-devel · RHEL 9 0:3.5.3-9.el9_7 RHSA-2026:8510 Apr 30, 2026
libarchive-devel · almalinux 10 3.7.7-8.el10_1 ALSA-2026:8492 Apr 16, 2026
libarchive-devel · almalinux 8 3.3.3-7.el8_10 ALSA-2026:8534 Apr 16, 2026
libarchive-devel · almalinux 9 3.5.3-9.el9_7 ALSA-2026:8510 Apr 16, 2026
libarchive-devel · ol 10 0:3.7.7-8.el10_1 ELSA-2026-8492 Apr 16, 2026
libarchive-devel · ol 8 0:3.3.3-7.el8_10 ELSA-2026-8534 Apr 16, 2026
libarchive-devel · ol 9 0:3.5.3-9.el9_7 ELSA-2026-8510 Apr 16, 2026
libarchive-tools · Ubuntu 18.04.6 LTS (bionic) 3.2.2-3.1ubuntu0.7+esm3 libarchive-tools 3.2.2-3.1ubuntu0.7+esm3 Mar 30, 2026
libarchive-tools · Ubuntu 20.04 LTS (focal) 3.4.0-2ubuntu1.5+esm2 libarchive-tools 3.4.0-2ubuntu1.5+esm2 Mar 30, 2026
libarchive-tools · Ubuntu 22.04.1 LTS (jammy) 3.6.0-1ubuntu1.7 libarchive-tools 3.6.0-1ubuntu1.7 Mar 30, 2026
libarchive-tools · Ubuntu 24.04.5 LTS (noble) 3.7.2-2ubuntu0.7 libarchive-tools 3.7.2-2ubuntu0.7 Mar 30, 2026
libarchive-tools · Ubuntu 25.10 (questing) 3.7.7-0ubuntu3.2 libarchive-tools 3.7.7-0ubuntu3.2 Mar 30, 2026
libarchive-tools · Ubuntu 26.04.1 LTS (resolute) 3.8.5-1ubuntu2.1 libarchive-tools 3.8.5-1ubuntu2.1 Mar 30, 2026
libarchive13 · Ubuntu 18.04.6 LTS (bionic) 3.2.2-3.1ubuntu0.7+esm3 libarchive13 3.2.2-3.1ubuntu0.7+esm3 Mar 30, 2026
libarchive13 · Ubuntu 20.04 LTS (focal) 3.4.0-2ubuntu1.5+esm2 libarchive13 3.4.0-2ubuntu1.5+esm2 Mar 30, 2026
libarchive13 · Ubuntu 22.04.1 LTS (jammy) 3.6.0-1ubuntu1.7 libarchive13 3.6.0-1ubuntu1.7 Mar 30, 2026
libarchive13t64 · Ubuntu 24.04.5 LTS (noble) 3.7.2-2ubuntu0.7 libarchive13t64 3.7.2-2ubuntu0.7 Mar 30, 2026
libarchive13t64 · Ubuntu 25.10 (questing) 3.7.7-0ubuntu3.2 libarchive13t64 3.7.7-0ubuntu3.2 Mar 30, 2026
libarchive13t64 · Ubuntu 26.04.1 LTS (resolute) 3.8.5-1ubuntu2.1 libarchive13t64 3.8.5-1ubuntu2.1 Mar 30, 2026

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