Mozilla: >> Firefox >> 0.1 Security Vulnerabilities
Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.8
EPSS Score
0.004
Published
2026-07-21
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.1
EPSS Score
0.004
Published
2026-07-21
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.1
EPSS Score
0.003
Published
2026-07-21
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.1
EPSS Score
0.003
Published
2026-07-21
Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.8
EPSS Score
0.004
Published
2026-07-21
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-07-21
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-07-21
Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-07-21
Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
9.8
EPSS Score
0.004
Published
2026-07-21
Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
CVSS Score
8.8
EPSS Score
0.003
Published
2026-07-21