Slackware Dnsmasq Significant Heap Overwrite Patch SSA 2026-155-01
slackware
June 4, 2026
New dnsmasq 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/dnsmasq-2.93-i586-1_slack15.0.txz: Upgraded. Rework storage allocation for domain names. This fixes a security bug that can cause heap-overwrite with long domain names. For more information, see: https://www.cve.org/CVERecord?id=CVE-2026-2291 (* Security fix *)
Topics Covered
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/dnsmasq-2.93-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/dnsmasq-2.93-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/dnsmasq-2.93-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/dnsmasq-2.93-x86_64-1.txz
MD5 Signatures
Slackware 15.0 package:
6c4c2e00903ef7369dcce7d17469ba72 dnsmasq-2.93-i586-1_slack15.0.txz
Slackware x86_64 15.0 package:
a467649db9898cf052548832221ea939 dnsmasq-2.93-x86_64-1_slack15.0.txz
Slackware -current package:
2b95678be475195b96ffdf9b77eab789 n/dnsmasq-2.93-i686-1.txz
Slackware x86_64 -current package:
18adfd72ea72c5583f6df4f3a26e9d87 n/dnsmasq-2.93-x86_64-1.txz
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Topics Covered
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Installation Instructions
Installation instructions: Upgrade the package as root: # upgradepkg dnsmasq-2.93-i586-1_slack15.0.txz If dnsmasq is running, restart it: # sh /etc/rc.d/rc.dnsmasq restart
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