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Alerts This Week
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Slackware 15.0 OpenSSL Important Security Issue Fixes 2026-101-01

slackware
Calendar Grey April 11, 2026
Dist Slackware Esm H88
New Openssl packages for Slackware improve security by resolving multiple critical issues and ensuring system integrity.
New openssl 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/openssl-1.1.1zg-i586-1_slack15.0.txz: Upgraded. Apply patch to fix the following security issues: Potential Use-after-free in DANE Client Code. NULL Pointer Dereference When Processing a Delta CRL. Possible NULL Dereference When Processing CMS KeyAgreeRecipientInfo. Possible NULL Dereference When Processing CMS KeyTransportRecipientInfo. These CVEs were fixed by the 1.1.1zg release that is only available to subscribers to OpenSSL's premium extended support. The patch was prepared by backporting from the OpenSSL-3.0 repo. Thanks to Ken Zalewski for the patch! For more information, see: https://openssl-library.org/news/vulnerabilities/#CVE-2026-28387 https://openssl-library.org/news/vulnerabilities/#CVE-2026-28388 https://openssl-library.org/news/vulnerabilities/#CVE-2026-28389 https://openssl-library.org/news/vulnerabilities/#CVE-2026-28390

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Topics%20covered

Topics Covered

security advisory security issue OpenSSL important slackware use-after-free

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 packages for Slackware 15.0: ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/openssl-1.1.1zg-i586-1_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/openssl-solibs-1.1.1zg-i586-1_slack15.0.txz
Updated packages for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openssl-1.1.1zg-x86_64-1_slack15.0.txz ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openssl-solibs-1.1.1zg-x86_64-1_slack15.0.txz
Updated packages for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/a/openssl-solibs-3.5.6-i686-2.txz ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openssl-3.5.6-i...

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MD5 Signatures

Slackware 15.0 packages: 210e557886d312155921afc0d1489c1e openssl-1.1.1zg-i586-1_slack15.0.txz 48a1ab14b7f68b36a9c63c5ff5c3d213 openssl-solibs-1.1.1zg-i586-1_slack15.0.txz
Slackware x86_64 15.0 packages: c0252b08ac12a37c5b691006ba8bc9a0 openssl-1.1.1zg-x86_64-1_slack15.0.txz 2cb2a11d40ca6e005bbd5072fdbba694 openssl-solibs-1.1.1zg-x86_64-1_slack15.0.txz
Slackware -current packages: 95ba59895b0e518ebd1c751736cae5dc a/openssl-solibs-3.5.6-i686-2.txz 0cc9bb77cb0a278bd64ab748a81070ac n/openssl-3.5.6-i686-2.txz
Slackware x86_64 -current packages: 7f6dec19a4014269d928857ea4585f60 a/openssl-solibs-3.5.6-x86_64-2.txz 3ec248b78a6ea77d4776f0ed126874d8 n/openssl-3.5.6-x86_64-2.txz

Severity
important
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue OpenSSL important slackware use-after-free

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Installation Instructions

Installation instructions: Upgrade the packages as root: # upgradepkg openssl-1.1.1zg-i586-1_slack15.0.txz openssl-solibs-1.1.1zg-i586-1_slack15.0.txz

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