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Slackware 15.0 gnutls Critical Security Issue CVE-2026-33846 2026-122-02

slackware
Calendar Grey May 2, 2026
Dist Slackware Esm H88
Critical gnutls security fix for Slackware 15.0 addresses a heap overwrite vulnerability ensuring safer updates.
New gnutls packages are available for Slackware 15.0 and -current to fix a security issue.

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/gnutls-3.8.13-i586-1_slack15.0.txz: Upgraded. This update fixes a security issue: Add more checks to DTLS reassembly. Previously, gnutls didn't check that DTLS fragments claimed a consistent message_length value. Additionally, a crucial array size check was missing, enabling an attacker to cause a heap overwrite. Reject fragments with mismatching length and add a missing boundary check. Independently reported by Haruto Kimura (Stella), Oscar Reparaz and Zou Dikai. For more information, see: https://www.cve.org/CVERecord?id=CVE-2026-33846 (* Security fix *)

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://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/gnutls-3.8.13-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/gnutls-3.8.13-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/gnutls-3.8.13-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/gnutls-3.8.13-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: 3a3bb3af6749fde3e3f2cdff9d4d808d gnutls-3.8.13-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: bcb120c7aa4d40316cf12bfb1ea71602 gnutls-3.8.13-x86_64-1_slack15.0.txz
Slackware -current package: 738265af0134c0dc52948633a7c5582a n/gnutls-3.8.13-i686-1.txz
Slackware x86_64 -current package: 2d8db9e17516c1fce34aa9eeaa539d88 n/gnutls-3.8.13-x86_64-1.txz

Severity
critical
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Critical

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg gnutls-3.8.13-i586-1_slack15.0.txz

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