Home / mailings [SECURITY] [DSA 6549-1] xz-utils security update
Posted on 07 October 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6549-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 07, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : xz-utils
CVE ID : not yet available
Debian Bug : 1147318
It was discovered that an invalid memory write in the LZMA1 decoders of
xz-utils, the XZ-format compression utilities, could result in denial of
service or potentially the execution of arbitrary code.
For the stable distribution (trixie), this problem has been fixed in
version 5.8.1-1+deb13u2.
We recommend that you upgrade your xz-utils packages.
For the detailed security status of xz-utils please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/xz-utils
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
