CVE-2026-74949

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:42+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 09:37:07+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mtix3ozgqv22...

CVE-2026-74948

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:40+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819...

CVE-2026-74947

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:37+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 09:07:07+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mtivg2qb6b23...

CVE-2026-74941

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:23+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 11:07:06+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mtj44msevn2y...

CVE-2026-74937

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:14+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 12:37:06+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mtjb5kfjfv2x...

CVE-2026-74936

creationtimestamp| type| source ---|---|--- 2026-08-19 04:45:12+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 21:10:04+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtk5sspqbr25...

Linux Distros Unpatched Vulnerability : CVE-2026-74982

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Denial-of-service in the Widget component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. CVE-2026-7498...

Linux Distros Unpatched Vulnerability : CVE-2026-74961

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1. CVE-2026-74961...

CVE-2026-74936

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74974

Same-origin policy bypass in the Graphics: ImageLib 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...

UBUNTU-CVE-2026-74974

Same-origin policy bypass in the Graphics: ImageLib 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...

UBUNTU-CVE-2026-74949

Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, 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-2026-74988

Internally found bugs present in Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154,...

CVE-2026-74979 Mitigation bypass in the Add-ons Manager component

Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74977

CVE-2026-74977 is an integer overflow in the Graphics component of Firefox and Thunderbird , rated CVSS 7.5 (High) with a network attack vector requiring no user interaction or privileges, resulting in a high availability impact (denial of service). CISA SSVC assesses no known exploitation , auto...

CVE-2026-74954 Information disclosure due to side-channel in the Storage: Cache API component

Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74954

Information disclosure due to side-channel in the Storage: Cache API component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74958

Information disclosure in the WebRTC component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74950

A privilege escalation flaw in the Downloads API component of Firefox and Thunderbird allows network-based attackers to gain elevated privileges with user interaction. Fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1; no exploitation evidence reported by CISA. Updat...