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 10 aarch64
Rocky Linux 10 ppc64le
Rocky Linux 10 riscv64
Rocky Linux 10 s390x
Rocky Linux 10 x86_64
Fixes
2454589
CVEs
CVE-2026-34743
Affected packages
Rocky Linux 10 aarch64 - AppStream
xz-lzma-compat-debuginfo-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-lzma-compat-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-devel-1:5.6.2-4.el10_2.1.aarch64.rpm
Rocky Linux 10 ppc64le - BaseOS
xz-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-debugsource-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-libs-debuginfo-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-libs-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-1:5.6.2-4.el10_2.1.src.rpm
xz-debuginfo-1:5.6.2-4.el10_2.1.ppc64le.rpm
Rocky Linux 10 x86_64 - AppStream
xz-devel-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-lzma-compat-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-lzma-compat-debuginfo-1:5.6.2-4.el10_2.1.x86_64.rpm
Rocky Linux 10 x86_64 - BaseOS
xz-debuginfo-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-debugsource-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-1:5.6.2-4.el10_2.1.src.rpm
xz-libs-debuginfo-1:5.6.2-4.el10_2.1.x86_64.rpm
xz-libs-1:5.6.2-4.el10_2.1.x86_64.rpm
Rocky Linux 10 s390x - AppStream
xz-lzma-compat-debuginfo-1:5.6.2-4.el10_2.1.s390x.rpm
xz-devel-1:5.6.2-4.el10_2.1.s390x.rpm
xz-lzma-compat-1:5.6.2-4.el10_2.1.s390x.rpm
Rocky Linux 10 aarch64 - BaseOS
xz-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-libs-debuginfo-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-libs-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-1:5.6.2-4.el10_2.1.src.rpm
xz-debuginfo-1:5.6.2-4.el10_2.1.aarch64.rpm
xz-debugsource-1:5.6.2-4.el10_2.1.aarch64.rpm
Rocky Linux 10 ppc64le - AppStream
xz-lzma-compat-debuginfo-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-devel-1:5.6.2-4.el10_2.1.ppc64le.rpm
xz-lzma-compat-1:5.6.2-4.el10_2.1.ppc64le.rpm
Rocky Linux 10 s390x - BaseOS
xz-libs-debuginfo-1:5.6.2-4.el10_2.1.s390x.rpm
xz-1:5.6.2-4.el10_2.1.src.rpm
xz-1:5.6.2-4.el10_2.1.s390x.rpm
xz-debugsource-1:5.6.2-4.el10_2.1.s390x.rpm
xz-libs-1:5.6.2-4.el10_2.1.s390x.rpm
xz-debuginfo-1:5.6.2-4.el10_2.1.s390x.rpm
Rocky Linux 10 riscv64 - BaseOS
xz-1:5.6.2-4.el10_2.1.src.rpm