RLSA-2026:8510

Synopsis

Important: libarchive security update

Description

The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.

Security Fix(es):

* libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing (CVE-2026-4424)

* libarchive: libarchive: Arbitrary code execution via integer overflow in ISO9660 image processing (CVE-2026-5121)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2449006 2452945

CVEs

CVE-2026-4424 CVE-2026-5121

Affected packages

Rocky Linux 9 aarch64 - AppStream

bsdtar-0:3.5.3-9.el9_7.aarch64.rpm bsdtar-debuginfo-0:3.5.3-9.el9_7.aarch64.rpm libarchive-devel-0:3.5.3-9.el9_7.aarch64.rpm

Rocky Linux 9 ppc64le - AppStream

bsdtar-0:3.5.3-9.el9_7.ppc64le.rpm bsdtar-debuginfo-0:3.5.3-9.el9_7.ppc64le.rpm libarchive-devel-0:3.5.3-9.el9_7.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

bsdtar-0:3.5.3-9.el9_7.s390x.rpm bsdtar-debuginfo-0:3.5.3-9.el9_7.s390x.rpm libarchive-devel-0:3.5.3-9.el9_7.s390x.rpm

Rocky Linux 9 x86_64 - AppStream

bsdtar-0:3.5.3-9.el9_7.x86_64.rpm bsdtar-debuginfo-0:3.5.3-9.el9_7.x86_64.rpm libarchive-devel-0:3.5.3-9.el9_7.i686.rpm libarchive-devel-0:3.5.3-9.el9_7.x86_64.rpm

Rocky Linux 9 aarch64 - BaseOS

libarchive-0:3.5.3-9.el9_7.aarch64.rpm libarchive-0:3.5.3-9.el9_7.src.rpm libarchive-debuginfo-0:3.5.3-9.el9_7.aarch64.rpm libarchive-debugsource-0:3.5.3-9.el9_7.aarch64.rpm

Rocky Linux 9 x86_64 - BaseOS

libarchive-0:3.5.3-9.el9_7.i686.rpm libarchive-0:3.5.3-9.el9_7.src.rpm libarchive-0:3.5.3-9.el9_7.x86_64.rpm libarchive-debuginfo-0:3.5.3-9.el9_7.i686.rpm libarchive-debuginfo-0:3.5.3-9.el9_7.x86_64.rpm libarchive-debugsource-0:3.5.3-9.el9_7.i686.rpm libarchive-debugsource-0:3.5.3-9.el9_7.x86_64.rpm

Rocky Linux 9 ppc64le - BaseOS

libarchive-0:3.5.3-9.el9_7.ppc64le.rpm libarchive-0:3.5.3-9.el9_7.src.rpm libarchive-debuginfo-0:3.5.3-9.el9_7.ppc64le.rpm libarchive-debugsource-0:3.5.3-9.el9_7.ppc64le.rpm

Rocky Linux 9 s390x - BaseOS

libarchive-0:3.5.3-9.el9_7.s390x.rpm libarchive-0:3.5.3-9.el9_7.src.rpm libarchive-debuginfo-0:3.5.3-9.el9_7.s390x.rpm libarchive-debugsource-0:3.5.3-9.el9_7.s390x.rpm