Mozilla Thunderbird vulnerabilities
1,818 known vulnerabilities affecting mozilla/thunderbird.
Total CVEs
1,818
CISA KEV
14
actively exploited
Public exploits
56
Exploited in wild
18
Severity breakdown
CRITICAL612HIGH551MEDIUM626LOW29
Vulnerabilities
Page 7 of 91
CVE-2025-14323HIGHCVSS 8.8fixed in 140.6.0fixed in 146.02025-12-09
CVE-2025-14323 [HIGH] CVE-2025-14323: Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 14
Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
nvdosv
CVE-2025-14322HIGHCVSS 8.0fixed in 140.6.0fixed in 146.02025-12-09
CVE-2025-14322 [HIGH] CWE-754 CVE-2025-14322: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vul
Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
nvdosv
CVE-2025-14332HIGHCVSS 7.3fixed in 146.02025-12-09
CVE-2025-14332 [HIGH] CWE-787 CVE-2025-14332: Memory safety bugs present in Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of
Memory safety bugs present in 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 was fixed in Firefox 146 and Thunderbird 146.
nvd
CVE-2025-14325HIGHCVSS 7.3fixed in 140.6.0fixed in 146.02025-12-09
CVE-2025-14325 [HIGH] CWE-843 CVE-2025-14325: JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
nvdosv
CVE-2025-14331MEDIUMCVSS 6.5fixed in 140.6.0fixed in 146.02025-12-09
CVE-2025-14331 [MEDIUM] CWE-346 CVE-2025-14331: Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox
Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
nvdosv
CVE-2025-13016HIGHCVSS 7.5≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13016 [HIGH] CVE-2025-13016: Incorrect boundary conditions in the JavaScript: WebAssembly component
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13014HIGHCVSS 8.8≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13014 [HIGH] CVE-2025-13014: Use-after-free in the Audio/Video component
Use-after-free in the Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13017HIGHCVSS 8.1≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13017 [HIGH] CVE-2025-13017: Same-origin policy bypass in the DOM: Notifications component
Same-origin policy bypass in the DOM: Notifications component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13019HIGHCVSS 8.1≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13019 [HIGH] CVE-2025-13019: Same-origin policy bypass in the DOM: Workers component
Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13012HIGHCVSS 7.5≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13012 [HIGH] CVE-2025-13012: Race condition in the Graphics component
Race condition in the Graphics component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13020HIGHCVSS 8.8≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13020 [HIGH] CVE-2025-13020: Use-after-free in the WebRTC: Audio/Video component
Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13018HIGHCVSS 8.1≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13018 [HIGH] CVE-2025-13018: Mitigation bypass in the DOM: Security component
Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13013MEDIUMCVSS 6.1≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13013 [MEDIUM] CVE-2025-13013: Mitigation bypass in the DOM: Core & HTML component
Mitigation bypass in the DOM: Core & HTML component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-13015LOWCVSS 3.4≥ 0, < 1:140.5.0esr-1~deb11u1≥ 0, < 1:140.5.0esr-1~deb12u1+2 more2025-11-11
CVE-2025-13015 [LOW] CVE-2025-13015: Spoofing issue in Firefox
Spoofing issue in Firefox. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.
osv
CVE-2025-11709CRITICALCVSS 9.8fixed in 144.02025-10-14
CVE-2025-11709 [CRITICAL] CWE-787 CVE-2025-11709: A compromised web process was able to trigger out of bounds reads and writes in a more privileged pr
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 was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
nvdosv
CVE-2025-11708CRITICALCVSS 9.8fixed in 140.4.0≥ 141.0, < 144.02025-10-14
CVE-2025-11708 [CRITICAL] CWE-416 CVE-2025-11708: Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, F
Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
nvdosv
CVE-2025-11710CRITICALCVSS 9.8fixed in 140.4.0≥ 141.0, < 144.02025-10-14
CVE-2025-11710 [CRITICAL] CWE-200 CVE-2025-11710: A compromised web process using malicious IPC messages could have caused the privileged browser proc
A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
nvdosv
CVE-2025-11719CRITICALCVSS 9.8≥ 143.0, < 144.02025-10-14
CVE-2025-11719 [CRITICAL] CWE-416 CVE-2025-11719: Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
nvd
CVE-2025-11721CRITICALCVSS 9.8≥ 143.0, < 144.02025-10-14
CVE-2025-11721 [CRITICAL] CWE-119 CVE-2025-11721: Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory cor
Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
nvd
CVE-2025-11713HIGHCVSS 8.1fixed in 140.4.0≥ 141.0, < 144.02025-10-14
CVE-2025-11713 [HIGH] CWE-116 CVE-2025-11713: Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into execut
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
nvdosv