Mozilla: >> Firefox >> 113.0.1 Security Vulnerabilities
Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.
CVSS Score
7.5
EPSS Score
0.001
Published
2026-05-19
Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-05-19
Use-after-free in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 151, Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
CVSS Score
7.3
EPSS Score
0.001
Published
2026-05-19
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVSS Score
9.8
EPSS Score
0.001
Published
2026-05-12
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150.0.3.
CVSS Score
7.3
EPSS Score
0.0
Published
2026-05-12
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVSS Score
5.3
EPSS Score
0.001
Published
2026-05-12
Incorrect boundary conditions in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.
CVSS Score
6.5
EPSS Score
0.0
Published
2026-05-12
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
CVSS Score
8.8
EPSS Score
0.0
Published
2026-05-12
Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2 and Thunderbird 150.0.2.
CVSS Score
8.1
EPSS Score
0.0
Published
2026-05-07
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
CVSS Score
7.3
EPSS Score
0.0
Published
2026-05-07