CVE-2026-74956 vulnerabilities

Vulnerabilities for packages: firefox...

CVE-2026-74956

creationtimestamp| type| source ---|---|--- 2026-08-18 20:40:04+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtf37cwmsx2j 2026-08-19 04:45:58+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260819 2026-08-20 05:07:07+00:00| see...

CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

UBUNTU-CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956

Firefox and Thunderbird's DOM: Service Workers component has a same-origin policy bypass allowing cross-origin data access and manipulation. CVSS 9.1 (critical). Fixed in Firefox 154, ESR 153.1, Thunderbird 154, and 153.1. No exploitation reported in provided documents. Debian/Ubuntu users withou...

CVE-2026-74956 Same-origin policy bypass in the DOM: Service Workers component

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956 Same-origin policy bypass in the DOM: Service Workers component

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...