From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] expat (SSA:2026-077-01)
Date: Wed, 18 Mar 2026 16:33:02 -0700 (PDT)





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[slackware-security] expat (SSA:2026-077-01)

New expat packages are available for Slackware 15.0 and -current to
fix security issues.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/expat-2.7.5-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
Fix NULL function pointer dereference for empty external parameter entities;
it takes use of both functions XML_ExternalEntityParserCreate and
XML_SetParamEntityParsing for an application to be vulnerable.
Protect from XML_TOK_INSTANCE_START infinite loop in function
entityValueProcessor; it takes use of both functions
XML_ExternalEntityParserCreate and XML_SetParamEntityParsing for an
application to be vulnerable.
Fix NULL dereference in function setContext on retry after an earlier
ouf-of-memory condition; it takes use of function XML_ParserCreateNS or
XML_ParserCreate_MM for an application to be vulnerable.
For more information, see:
https://www.cve.org/CVERecord?id=CVE-2026-32776
https://www.cve.org/CVERecord?id=CVE-2026-32777
https://www.cve.org/CVERecord?id=CVE-2026-32778
(* Security fix *)
+--------------------------+


Where to find the 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/expat-2.7.5-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/expat-2.7.5-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.7.5-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.7.5-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 15.0 package:
c86d353f2bec19c75d90d0c4736eaaf2 expat-2.7.5-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
3acb8cf368cc4fa7c989d84831b8f238 expat-2.7.5-x86_64-1_slack15.0.txz

Slackware -current package:
6635c49608492641a1965bac5f83d4cc l/expat-2.7.5-i686-1.txz

Slackware x86_64 -current package:
e6297cf40af8a1d895af22d10712be8b l/expat-2.7.5-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg expat-2.7.5-i586-1_slack15.0.txz


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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