CVE-2026-74977 Integer overflow in the Graphics component

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

EUVD-2026-60690

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74977

Integer overflow in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74968

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

CVE-2026-74968

Firefox's WebRender component has a site isolation flaw allowing cross-site data access or tampering, rated CVSS 5.4 (Medium). Fixed in Firefox 154 and Firefox ESR 153.1. No in-the-wild exploitation reported. Users should update immediately. Mozilla advisories: mfsa2026-74, mfsa2026-77.

CVE-2026-74970 Site isolation issue in the Graphics component

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

CVE-2026-74970 Site isolation issue in the Graphics component

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

CVE-2026-74970

A site isolation flaw in Mozilla's Graphics component affects Firefox and Thunderbird. The issue allows a remote, unauthenticated attacker to potentially access or modify data in other process contexts via a crafted web page. Fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbi...

CVE-2026-74970

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

CVE-2026-74968 Site isolation issue in the Graphics: WebRender component

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

EUVD-2026-60688

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

CVE-2026-74947 Privilege escalation due to invalid pointer in the Graphics component

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74947

A privilege escalation flaw in Firefox's Graphics component stems from an invalid pointer. CVSS 8.8 (HIGH) rates network attack vector with no privileges required. Fixed in Firefox 154 and Firefox ESR 153.1. No in-the-wild exploitation reported; CISA SSVC marks it non-automatable with total techn...

EUVD-2026-60677

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74947

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74947 Privilege escalation due to invalid pointer in the Graphics component

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74947

Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, 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...

EUVD-2026-60669

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...

CVE-2026-74973 Race condition, use-after-free in the Graphics component

Race condition, use-after-free in the Graphics 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...