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Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

All Critical Actively Exploited Remotely Exploitable
Last Updated Published CVSS Score
Score
Vulnerability
Published
0.0 NA
CVE-2026-12322 — Clickjacking issue in the Widget: Gtk component

Clickjacking issue in the Widget: Gtk component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Cross-Site Request Forgery
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12321 — JIT miscompilation in the JavaScript: WebAssembly component

JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12320 — Information disclosure in the Password Manager component

Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Information Disclosure
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
6.5 MEDIUM
CVE-2026-12319 — Denial-of-service in the Audio/Video: Playback component

Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Remote | Denial of Service
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12318 — Incorrect boundary conditions in the Libraries component in NSS

Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152.

firefox thunderbird
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12317 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12316 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Cross-Site Scripting
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12315 — Mitigation bypass in the DOM: Security component

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Misconfiguration
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12314 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
4.7 MEDIUM
CVE-2026-12313 — Information disclosure, sandbox escape in the Security: Process Sandboxing component

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Remote | Information Disclosure
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12312 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12311 — Information disclosure, sandbox escape in the Security: Process Sandboxing component

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Information Disclosure
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12310 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12309 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12308 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12307 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12306 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12305 — Memory safety bug fixed in Thunderbird 152

Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Memory Corruption
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
0.0 NA
CVE-2026-12304 — Same-origin policy bypass in the Networking: Cookies component

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.

firefox thunderbird | Misconfiguration
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
4.3 MEDIUM
CVE-2026-12303 — Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU compo…

Information disclosure due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152.

firefox thunderbird | Remote | Information Disclosure
Jun 16, 2026 Jun 16, 2026
Jun 16, 2026
Jun 16, 2026
Showing 20 of 6935 Results