Slackware 15.0 mozilla-firefox Urgent Security Alert - PSA-2026-111-06
slackware
April 21, 2026
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-140.10.0esr-i686-1_slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more information, see: https://www.mozilla.org/en-US/firefox/140.10.0/releasenotes/ https://www.mozilla.org/security/advisories/mfsa2026-32/ https://www.cve.org/CVERecord?id=CVE-2026-6746 https://www.cve.org/CVERecord?id=CVE-2026-6747 https://www.cve.org/CVERecord?id=CVE-2026-6748 https://www.cve.org/CVERecord?id=CVE-2026-6749 https://www.cve.org/CVERecord?id=CVE-2026-6750 https://www.cve.org/CVERecord?id=CVE-2026-6751 https://www.cve.org/CVERecord?id=CVE-2026-6752 https://www.cve.org/CVERecord?id=CVE-2026-6753 https://www.cve.org/CVERecord?id=CVE-2026-6754 https://www.cve.org/CVERecord?id=CVE-2026-6757 https://www.cve.org/CVERecord?id=CVE-2026-6759 https://www.cve.org/CVERecord?id=CVE-2026-6761
Read the Full Advisory
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/mozilla-firefox-140.10.0esr-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-140.10.0esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-140.10.0esr-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-140.10.0esr-x86_64-1.txz
MD5 Signatures
Slackware 15.0 package:
6666217012ff1a7088c15630c3a62500 mozilla-firefox-140.10.0esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package:
170edd9fa6225f3036db557cea72f3dc mozilla-firefox-140.10.0esr-x86_64-1_slack15.0.txz
Slackware -current package:
b93d5b30ef68bfdbbbac281c8ae23dbb xap/mozilla-firefox-140.10.0esr-i686-1.txz
Slackware x86_64 -current package:
f5519e0fd71846c7922c9557c0eb7209 xap/mozilla-firefox-140.10.0esr-x86_64-1.txz
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Installation Instructions
Installation instructions: Upgrade the package as root: # upgradepkg mozilla-firefox-140.10.0esr-i686-1_slack15.0.txz
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