|
451
|
8.6 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Update
|
CWE-668 CWE-693
Exposure of Resource to Wrong Sphere Protection Mechanism Failure
|
CVE-2026-8958
|
2026-05-21 00:01 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
452
|
9.3 |
CRITICAL
Network
|
mozilla
|
firefox thunderbird
|
Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
Update
|
CWE-346
Origin Validation Error
|
CVE-2026-8950
|
2026-05-21 00:00 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
453
|
7.5 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Spoofing issue in the Web Speech component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
|
CWE-290
Authentication Bypass by Spoofing
|
CVE-2026-8963
|
2026-05-20 23:57 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
454
|
7.5 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Spoofing issue in the Popup Blocker component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
|
CWE-451
User Interface (UI) Misrepresentation of Critical Information
|
CVE-2026-8964
|
2026-05-20 23:57 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
455
|
7.5 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
|
CWE-400
Uncontrolled Resource Consumption
|
CVE-2026-8968
|
2026-05-20 23:56 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
456
|
8.1 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
|
CWE-693
Protection Mechanism Failure
|
CVE-2026-8969
|
2026-05-20 23:55 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
457
|
9.1 |
CRITICAL
Network
|
mozilla
|
firefox thunderbird
|
Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
|
CWE-942
Permissive Cross-domain Policy with Untrusted Domains
|
CVE-2026-8948
|
2026-05-20 23:53 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
458
|
7.5 |
HIGH
Network
|
mozilla
|
firefox thunderbird
|
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.
|
CWE-190
Integer Overflow or Wraparound
|
CVE-2026-8949
|
2026-05-20 23:49 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
459
|
6.5 |
MEDIUM
Network
|
mozilla
|
firefox
|
Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.
|
CWE-290
Authentication Bypass by Spoofing
|
CVE-2026-8951
|
2026-05-20 23:48 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|
|
460
|
6.5 |
MEDIUM
Network
|
mozilla
|
firefox thunderbird
|
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.
|
CWE-346
Origin Validation Error
|
CVE-2026-8971
|
2026-05-20 23:41 |
2026-05-19 |
Show
|
GitHub
Exploit DB
Packet Storm
|
|
|