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Slackware 15.0: Mozilla Firefox Critical Security Update 2025-343-01

slackware
Calendar Grey December 9, 2025
Dist Slackware Esm H88
Mozilla Firefox packages for Slackware 15.0 receive critical updates to address security issues and improve functionality.
New mozilla-firefox 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/mozilla-firefox-140.6.0esr-i686-1_slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more information, see: https://www.firefox.com/en-US/firefox/140.6.0/releasenotes/?redirect_source=mozilla-org https://www.mozilla.org/en-US/security/advisories/mfsa2025-94/ https://www.cve.org/CVERecord?id=CVE-2025-14321 https://www.cve.org/CVERecord?id=CVE-2025-14322 https://www.cve.org/CVERecord?id=CVE-2025-14323 https://www.cve.org/CVERecord?id=CVE-2025-14324 https://www.cve.org/CVERecord?id=CVE-2025-14325 https://www.cve.org/CVERecord?id=CVE-2025-14328 https://www.cve.org/CVERecord?id=CVE-2025-14329 https://www.cve.org/CVERecord?id=CVE-2025-14330 https://www.cve.org/CVERecord?id=CVE-2025-14331 https://www.cve.org/CVERecord?id=CVE-2025-14333 (* Security fix *)

Topics%20covered

Topics Covered

security advisory buffer overflow critical package update slackware mozilla firefox

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/mozilla-firefox-140.6.0esr-i686-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/mozilla-firefox-140.6.0esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.6.0esr-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.6.0esr-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: 43034a553e57634a7ee2c9c97698a571 mozilla-firefox-140.6.0esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package: 3ab40272936aa7ee806bbce688f65a03 mozilla-firefox-140.6.0esr-x86_64-1_slack15.0.txz
Slackware -current package: da06431fa2cba255019c8ba3d81e5850 xap/mozilla-firefox-140.6.0esr-i686-1.txz
Slackware x86_64 -current package: db8d1f2ca1ff284be648cedac591caed xap/mozilla-firefox-140.6.0esr-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory buffer overflow critical package update slackware mozilla firefox

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg mozilla-firefox-140.6.0esr-i686-1_slack15.0.txz

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