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Slackware 15.0: libxml2 Critical DoS Buffer Overflow Advisory 2025-196-01

slackware
Calendar Grey July 15, 2025
Dist Slackware Esm H88
The new Slackware update brings crucial enhancements to the libxml2 library, addressing serious vulnerabilities that risk DoS attacks and buffer overflows
New libxml2 packages are available for Slackware 15.0 and -current to fix security issues

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libxml2-2.11.9-i586-5_slack15.0.txz: Rebuilt. This update fixes bugs and the following security issues: schematron: Fix memory safety issues in xmlSchematronReportOutput. Schematron: Fix null pointer dereference leading to DoS. Fix potential buffer overflows of interactive shell. For more information, see: https://www.cve.org/CVERecord?id=CVE-2025-49794 https://www.cve.org/CVERecord?id=CVE-2025-49796 https://www.cve.org/CVERecord?id=CVE-2025-49795 https://www.cve.org/CVERecord?id=CVE-2025-6170 (* Security fix *)

Topics%20covered

Topics Covered

security advisory security issue buffer overflow critical DoS slackware

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (http://osuosl.org) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated package for Slackware 15.0: ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/libxml2-2.11.9-i586-5_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libxml2-2.11.9-x86_64-5_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libxml2-2.14.5-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libxml2-2.14.5-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: afaf4912fe07852917ff2f936c2721d9 libxml2-2.11.9-i586-5_slack15.0.txz
Slackware x86_64 15.0 package: e457a79253ee1101d560f61eb00a8855 libxml2-2.11.9-x86_64-5_slack15.0.txz
Slackware -current package: 65baa004390c61233d7785375ab14e71 l/libxml2-2.14.5-i686-1.txz
Slackware x86_64 -current package: 45201dd02e07d95677de056ef9eeaead l/libxml2-2.14.5-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue buffer overflow critical DoS slackware

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg libxml2-2.11.9-i586-5_slack15.0.txz