[slackware-security] mozilla-firefox

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-140.14.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements. For more...

[SECURITY] [DSA 6451-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6451-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff August 19, 2026 https://www.debian.org/security/faq -...

CVE-2026-74934

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:08+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819...

Mozilla Thunderbird < 154.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 154.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-78 advisory. - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 154, Firefox E...

Linux Distros Unpatched Vulnerability : CVE-2026-74934

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR...

Mozilla Thunderbird < 140.14

The version of Thunderbird installed on the remote Windows host is prior to 140.14. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-79 advisory. - Internally found bugs present in Thunderbird ESR 140.13, Thunderbird ESR 153.0 and Thunderbird 153. Some of these...

DEBIAN-CVE-2026-74934

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74934

Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74934

CVE-2026-74934 is a site isolation issue in the Graphics: CanvasWebGL component of Mozilla Firefox and Thunderbird. The CVSS 3.1 score is 7.5 (HIGH) with a vector of AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating a network-exploitable flaw requiring user interaction and high attack complexity, b...