Synopsis
Moderate: xz security update
Description
XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm provides a high compression ratio while keeping the decompression time short.
Security Fix(es):
* xz: XZ Utils: Denial of Service via buffer overflow in index decoding (CVE-2026-34743)
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 x86_64
Rocky Linux 9 i686
Rocky Linux 9 aarch64
Rocky Linux 9 s390x
Rocky Linux 9 ppc64le
Fixes
2454589
CVEs
CVE-2026-34743
Affected packages
Rocky Linux 9 x86_64 - BaseOS
xz-libs-debuginfo-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-libs-debuginfo-0:5.2.5-8.el9_8.1.i686.rpm
xz-debugsource-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-debugsource-0:5.2.5-8.el9_8.1.i686.rpm
xz-debuginfo-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-debuginfo-0:5.2.5-8.el9_8.1.i686.rpm
xz-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-libs-0:5.2.5-8.el9_8.1.i686.rpm
xz-libs-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-0:5.2.5-8.el9_8.1.src.rpm
Rocky Linux 9 aarch64 - BaseOS
xz-libs-debuginfo-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-debugsource-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-debuginfo-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-libs-0:5.2.5-8.el9_8.1.aarch64.rpm
Rocky Linux 9 s390x - BaseOS
xz-libs-debuginfo-0:5.2.5-8.el9_8.1.s390x.rpm
xz-debugsource-0:5.2.5-8.el9_8.1.s390x.rpm
xz-debuginfo-0:5.2.5-8.el9_8.1.s390x.rpm
xz-0:5.2.5-8.el9_8.1.s390x.rpm
xz-libs-0:5.2.5-8.el9_8.1.s390x.rpm
Rocky Linux 9 ppc64le - BaseOS
xz-libs-debuginfo-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-debugsource-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-debuginfo-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-libs-0:5.2.5-8.el9_8.1.ppc64le.rpm
Rocky Linux 9 x86_64 - AppStream
xz-lzma-compat-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-devel-0:5.2.5-8.el9_8.1.x86_64.rpm
xz-devel-0:5.2.5-8.el9_8.1.i686.rpm
xz-lzma-compat-debuginfo-0:5.2.5-8.el9_8.1.x86_64.rpm
Rocky Linux 9 aarch64 - AppStream
xz-lzma-compat-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-devel-0:5.2.5-8.el9_8.1.aarch64.rpm
xz-lzma-compat-debuginfo-0:5.2.5-8.el9_8.1.aarch64.rpm
Rocky Linux 9 s390x - AppStream
xz-lzma-compat-0:5.2.5-8.el9_8.1.s390x.rpm
xz-devel-0:5.2.5-8.el9_8.1.s390x.rpm
xz-lzma-compat-debuginfo-0:5.2.5-8.el9_8.1.s390x.rpm
Rocky Linux 9 ppc64le - AppStream
xz-lzma-compat-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-devel-0:5.2.5-8.el9_8.1.ppc64le.rpm
xz-lzma-compat-debuginfo-0:5.2.5-8.el9_8.1.ppc64le.rpm