Mozilla: Security Vulnerabilities
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-06-16
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS Score
9.1
EPSS Score
0.003
Published
2026-06-16
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
9.1
EPSS Score
0.002
Published
2026-06-16
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
7.5
EPSS Score
0.003
Published
2026-06-16
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
7.3
EPSS Score
0.002
Published
2026-06-16
Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
6.5
EPSS Score
0.002
Published
2026-06-16
Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
4.3
EPSS Score
0.002
Published
2026-06-16
JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
5.4
EPSS Score
0.002
Published
2026-06-16
Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
CVSS Score
5.4
EPSS Score
0.002
Published
2026-06-16
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
CVSS Score
5.3
EPSS Score
0.003
Published
2026-06-16