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Slackware 15.0: mozilla-firefox Important Security Patch SSA:2025-287-01

slackware
Calendar Grey October 14, 2025
Dist Slackware Esm H88
New mozilla-firefox packages available on Slackware to address multiple critical security issues effectively.
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-140.4.0esr-i686-1_slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more information, see: https://www.firefox.com/en-US/firefox/140.4.0/releasenotes/?redirect_source=mozilla-org https://www.mozilla.org/en-US/security/advisories/mfsa2025-83/ https://www.cve.org/CVERecord?id=CVE-2025-11708 https://www.cve.org/CVERecord?id=CVE-2025-11709 https://www.cve.org/CVERecord?id=CVE-2025-11710 https://www.cve.org/CVERecord?id=CVE-2025-11711 https://www.cve.org/CVERecord?id=CVE-2025-11712 https://www.cve.org/CVERecord?id=CVE-2025-11713 https://www.cve.org/CVERecord?id=CVE-2025-11714 https://www.cve.org/CVERecord?id=CVE-2025-11715 (* Security fix *)

Topics%20covered

Topics Covered

security advisory security issue remote access important 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-140.4.0esr-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-140.4.0esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.4.0esr-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.4.0esr-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: cb9e603ae99d7cd2f8c7ea9b0be44d5d mozilla-firefox-140.4.0esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package: 0c7815ad5b92736ac3b3bdef2f9807e6 mozilla-firefox-140.4.0esr-x86_64-1_slack15.0.txz
Slackware -current package: 26f037cb729db871b6a26bfaf24dc383 xap/mozilla-firefox-140.4.0esr-i686-1.txz
Slackware x86_64 -current package: ddf53d3fba38e631fb12abf0fdf3a1e6 xap/mozilla-firefox-140.4.0esr-x86_64-1.txz

Severity
important
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue remote access important slackware mozilla firefox

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg mozilla-firefox-140.4.0esr-i686-1_slack15.0.txz