Home / mailings [slackware-security] mozilla-firefox (SSA:2026-272-01)
Posted on 30 September 2026
Slackware Security[slackware-security] mozilla-firefox (SSA:2026-272-01)
New mozilla-firefox 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/mozilla-firefox-140.17.0esr-i686-1_slack15.0.txz: Upgraded.
This update contains security fixes and improvements.
For more information, see:
https://www.mozilla.org/en-US/firefox/140.17.0/releasenotes/
https://www.mozilla.org/security/advisories/mfsa2026-99/
https://www.cve.org/CVERecord?id=CVE-2026-100756
https://www.cve.org/CVERecord?id=CVE-2026-100757
https://www.cve.org/CVERecord?id=CVE-2026-100758
https://www.cve.org/CVERecord?id=CVE-2026-100759
https://www.cve.org/CVERecord?id=CVE-2026-100762
https://www.cve.org/CVERecord?id=CVE-2026-92035
https://www.cve.org/CVERecord?id=CVE-2026-100766
https://www.cve.org/CVERecord?id=CVE-2026-100767
https://www.cve.org/CVERecord?id=CVE-2026-100769
https://www.cve.org/CVERecord?id=CVE-2026-100770
https://www.cve.org/CVERecord?id=CVE-2026-100771
https://www.cve.org/CVERecord?id=CVE-2026-100772
https://www.cve.org/CVERecord?id=CVE-2026-100773
https://www.cve.org/CVERecord?id=CVE-2026-100774
https://www.cve.org/CVERecord?id=CVE-2026-100775
https://www.cve.org/CVERecord?id=CVE-2026-100776
https://www.cve.org/CVERecord?id=CVE-2026-100777
https://www.cve.org/CVERecord?id=CVE-2026-100778
https://www.cve.org/CVERecord?id=CVE-2026-100779
https://www.cve.org/CVERecord?id=CVE-2026-100780
https://www.cve.org/CVERecord?id=CVE-2026-100781
https://www.cve.org/CVERecord?id=CVE-2026-100782
https://www.cve.org/CVERecord?id=CVE-2026-100783
https://www.cve.org/CVERecord?id=CVE-2026-100784
https://www.cve.org/CVERecord?id=CVE-2026-100785
https://www.cve.org/CVERecord?id=CVE-2026-100786
https://www.cve.org/CVERecord?id=CVE-2026-100788
https://www.cve.org/CVERecord?id=CVE-2026-100789
https://www.cve.org/CVERecord?id=CVE-2026-100790
https://www.cve.org/CVERecord?id=CVE-2026-100791
https://www.cve.org/CVERecord?id=CVE-2026-100832
https://www.cve.org/CVERecord?id=CVE-2026-100792
https://www.cve.org/CVERecord?id=CVE-2026-100794
https://www.cve.org/CVERecord?id=CVE-2026-96869
https://www.cve.org/CVERecord?id=CVE-2026-100797
https://www.cve.org/CVERecord?id=CVE-2026-100801
https://www.cve.org/CVERecord?id=CVE-2026-100803
https://www.cve.org/CVERecord?id=CVE-2026-100807
https://www.cve.org/CVERecord?id=CVE-2026-100811
https://www.cve.org/CVERecord?id=CVE-2026-100818
https://www.cve.org/CVERecord?id=CVE-2026-100819
https://www.cve.org/CVERecord?id=CVE-2026-100820
https://www.cve.org/CVERecord?id=CVE-2026-100821
(* 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/mozilla-firefox-140.17.0esr-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-140.17.0esr-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/xap/mozilla-firefox-153.4.0esr-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/xap/mozilla-firefox-153.4.0esr-x86_64-1.txz
MD5 signatures:
+-------------+
Slackware 15.0 package:
3fc1777290f8ab65c556f64d4d38de15 mozilla-firefox-140.17.0esr-i686-1_slack15.0.txz
Slackware x86_64 15.0 package:
dd688c903a9423ea04b281f5614a8997 mozilla-firefox-140.17.0esr-x86_64-1_slack15.0.txz
Slackware -current package:
369c9c95bbfecf97325a15f193d02409 xap/mozilla-firefox-153.4.0esr-i686-1.txz
Slackware x86_64 -current package:
10861addfab60adb1704172fbcba038b xap/mozilla-firefox-153.4.0esr-x86_64-1.txz
Installation instructions:
+------------------------+
Upgrade the package as root:
# upgradepkg mozilla-firefox-140.17.0esr-i686-1_slack15.0.txz
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com
