For Exchange accounts using EWS or Microsoft Graph with OAuth2 authentication, Thunderbird sent the OAuth2 access token to the server even when the configured server URL used unencrypted HTTP. An attacker able to observe network traffic could obtain the token and use it to access...
Vendor
mozilla vulnerabilities
4,225 published CVES affecting mozilla, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4,225
- Critical
- 509
- High
- 1,940
- Medium
- 1,619
- Low
- 101
- Unscored
- 56
- CISA KEV
- 13
Products
- Firefox 3,716
- Thunderbird 2,484
- seamonkey 704
- firefox esr 551
- thunderbird esr 228
- bugzilla 145
- mozilla 108
- Firefox for iOS 51
- network security services 48
- mozilla suite 27
- Firefox for Android 22
- firefox mobile 20
- Focus for Android 17
- firefox os 14
- Focus for iOS 10
- nss 6
- bleach 5
- bonsai 4
- camino 4
- Convict 3
- Focus 3
- netscape portable runtime 3
- geckodriver 2
- Mozilla VPN 2
- mozjpeg 2
- Nunjucks 2
- pollbot 2
- vpn 2
- webthings gateway 2
- @mozilla/readability 1
Latest mozilla CVEs
Newest publication first · page 1 of 40 · showing the latest 1,000
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Unknown
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Unknown
If an attacker was able to perform a man-in-the-middle attack on an SMTP or POP3 server connection using STARTTLS, the attacker could inject server responses before the TLS handshake completed. Thunderbird would process these responses after the handshake, as if they had been rec...
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Unknown
Thunderbird allowed feed subscriptions to file: URLs that point to a network share. If a user was tricked into subscribing to such a URL, Thunderbird connected to the attacker's server when fetching the feed. Windows then sent the user's NTLM credentials to that server. This bug...
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Unknown
When a CalDAV or ICS calendar was accessed through an HTTP proxy that requested authentication, Thunderbird could answer the proxy with the calendar server's username and password. This affected both setting up a new calendar and syncing existing calendars, where a saved password...
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Unknown
When a message was forwarded inline, edited as new, or had an attachment dragged into a compose window, a specially crafted link attachment (a .desktop file on Linux, or a .url or .lnk file on Windows) was replaced with the content of the file or URL it pointed to when the messag...
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HighCVSS 8.8
Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox ESR 115.45.
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Unknown
Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Other issue in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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HighCVSS 8.8
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Invalid pointer in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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HighCVSS 8.8
Use-after-free in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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MediumCVSS 4.3
Information disclosure in the Marionette component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Other issue in the Media component in Firefox for Android. This vulnerability was fixed in Firefox 160.
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Unknown
Mitigation bypass in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Sandbox escape in the Agent component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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MediumCVSS 4.3
Information disclosure in the Layout component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Sandbox escape in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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HighCVSS 8.8
Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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Unknown
Clickjacking issue in the Autofill component in Firefox for Android. This vulnerability was fixed in Firefox 160.
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HighCVSS 8.8
Use-after-free in the SVG component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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HighCVSS 8.8
Use-after-free in the Layout: Positioned component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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CVE-2026-124900 Sandbox escape due to use-after-free in the DOM: Service Workers component
PublishedCriticalCVSS 9.6Sandbox escape due to use-after-free in the DOM: Service Workers component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.