Mozilla: >> Thunderbird >> 140.6.0 Security Vulnerabilities
Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
CVSS Score
8.8
EPSS Score
0.0
Published
2026-01-13
Information disclosure in the Networking component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-01-13
Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.
CVSS Score
9.8
EPSS Score
0.001
Published
2026-01-13
Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
CVSS Score
8.1
EPSS Score
0.001
Published
2025-12-09
A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
CVSS Score
9.8
EPSS Score
0.001
Published
2025-10-14
Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability affects Firefox < 144 and Thunderbird < 144.
CVSS Score
6.5
EPSS Score
0.0
Published
2025-10-14
Spoofing issue in the Site Permissions component. This vulnerability affects Firefox < 143 and Thunderbird < 143.
CVSS Score
8.1
EPSS Score
0.001
Published
2025-09-16
Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability affects Firefox < 143 and Thunderbird < 143.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-09-16
Mitigation bypass in the Web Compatibility: Tooling component. This vulnerability affects Firefox < 143 and Thunderbird < 143.
CVSS Score
5.4
EPSS Score
0.001
Published
2025-09-16
Same-origin policy bypass in the Layout component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-09-16