Debian Thunderbird vulnerabilities
931 known vulnerabilities affecting debian/thunderbird.
Total CVEs
931
CISA KEV
10
actively exploited
Public exploits
18
Exploited in wild
13
Severity breakdown
CRITICAL166HIGH358MEDIUM317LOW90
Vulnerabilities
Page 7 of 47
CVE-2025-10528HIGHCVSS 7.3fixed in firefox 143.0-1 (sid)2025
CVE-2025-10528 [HIGH] CVE-2025-10528: firefox - Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canva...
Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
Scope: local
sid: resolved (fixed in 143.0-1)
debian
CVE-2025-13019HIGHCVSS 8.1fixed in firefox 145.0-1 (sid)2025
CVE-2025-13019 [HIGH] CVE-2025-13019: firefox - Same-origin policy bypass in the DOM: Workers component. This vulnerability affe...
Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
Scope: local
sid: resolved (fixed in 145.0-1)
debian
CVE-2025-1932HIGHCVSS 8.1fixed in firefox 136.0-1 (sid)2025
CVE-2025-1932 [HIGH] CVE-2025-1932: firefox - An inconsistent comparator in xslt/txNodeSorter could have resulted in potential...
An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
Scope: local
sid: resolved (fixed in 136.0-1)
debian
CVE-2025-10537HIGHCVSS 8.8fixed in firefox 143.0-1 (sid)2025
CVE-2025-10537 [HIGH] CVE-2025-10537: firefox - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox ...
Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3
debian
CVE-2025-14329HIGHCVSS 8.8fixed in firefox 146.0-1 (sid)2025
CVE-2025-14329 [HIGH] CVE-2025-14329: firefox - Privilege escalation in the Netmonitor component. This vulnerability affects Fir...
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Scope: local
sid: resolved (fixed in 146.0-1)
debian
CVE-2025-13020HIGHCVSS 8.8fixed in firefox 145.0-1 (sid)2025
CVE-2025-13020 [HIGH] CVE-2025-13020: firefox - Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects ...
Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
Scope: local
sid: resolved (fixed in 145.0-1)
debian
CVE-2025-14328HIGHCVSS 8.8fixed in firefox 146.0-1 (sid)2025
CVE-2025-14328 [HIGH] CVE-2025-14328: firefox - Privilege escalation in the Netmonitor component. This vulnerability affects Fir...
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Scope: local
sid: resolved (fixed in 146.0-1)
debian
CVE-2025-1933HIGHCVSS 7.6fixed in firefox 136.0-1 (sid)2025
CVE-2025-1933 [HIGH] CVE-2025-1933: firefox - On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bi...
On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
Scope: local
sid: resolved (fixed in 136.0-1)
debian
CVE-2025-1011HIGHCVSS 8.8fixed in firefox 135.0-1 (sid)2025
CVE-2025-1011 [HIGH] CVE-2025-1011: firefox - A bug in WebAssembly code generation could have lead to a crash. It may have bee...
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability affects Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Scope: local
sid: resolved (fixed in 135.0-1)
debian
CVE-2025-1010HIGHCVSS 8.8fixed in firefox 135.0-1 (sid)2025
CVE-2025-1010 [HIGH] CVE-2025-1010: firefox - An attacker could have caused a use-after-free via the Custom Highlight API, lea...
An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Scope: local
sid: resolved (fixed in 135.0-1)
debian
CVE-2025-14323HIGHCVSS 8.8fixed in firefox 146.0-1 (sid)2025
CVE-2025-14323 [HIGH] CVE-2025-14323: firefox - Privilege escalation in the DOM: Notifications component. This vulnerability aff...
Privilege escalation in the DOM: Notifications component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Scope: local
sid: resolved (fixed in 146.0-1)
debian
CVE-2025-8029HIGHCVSS 8.1fixed in firefox 141.0-1 (sid)2025
CVE-2025-8029 [HIGH] CVE-2025-8029: firefox - Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. ...
Thunderbird executed `javascript:` URLs when used in `object` and `embed` tags. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Scope: local
sid: resolved (fixed in 141.0-1)
debian
CVE-2025-0510HIGHCVSS 7.5fixed in thunderbird 1:128.7.0esr-1~deb12u1 (bookworm)2025
CVE-2025-0510 [HIGH] CVE-2025-0510: thunderbird - Thunderbird displayed an incorrect sender address if the From field of an email ...
Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability affects Thunderbird < 128.7 and Thunderbird < 135.
Scope: local
bookworm: resolved (fixed in 1:128.7.0esr-1~deb12u1)
bullseye: resolved (fixed in 1:128.7.0esr-1~deb11u1)
forky: resolved (fixed in
debian
CVE-2025-1014HIGHCVSS 8.8fixed in firefox 135.0-1 (sid)2025
CVE-2025-1014 [HIGH] CVE-2025-1014: firefox - Certificate length was not properly checked when added to a certificate store. I...
Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability affects Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Scope: local
sid: resolved (fixed in 135.0-1)
debian
CVE-2025-3030HIGHCVSS 8.1fixed in firefox 137.0-1 (sid)2025
CVE-2025-3030 [HIGH] CVE-2025-3030: firefox - Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, a...
Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. 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 < 137, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9.
Sco
debian
CVE-2025-3909HIGHCVSS 8.1fixed in thunderbird 1:128.10.1esr-1~deb12u1 (bookworm)2025
CVE-2025-3909 [HIGH] CVE-2025-3909: thunderbird - Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be ex...
Thunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute JavaScript in the file:/// context. By crafting a nested email attachment (message/rfc822) and setting its content type to application/pdf, Thunderbird may incorrectly render it as HTML when opened, allowing the embedded JavaScript to run without requiring a file dow
debian
CVE-2025-13016HIGHCVSS 7.5fixed in firefox 145.0-1 (sid)2025
CVE-2025-13016 [HIGH] CVE-2025-13016: firefox - Incorrect boundary conditions in the JavaScript: WebAssembly component. This vul...
Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.
Scope: local
sid: resolved (fixed in 145.0-1)
debian
CVE-2025-8032HIGHCVSS 8.1fixed in firefox 141.0-1 (sid)2025
CVE-2025-8032 [HIGH] CVE-2025-8032: firefox - XSLT document loading did not correctly propagate the source document which bypa...
XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Scope: local
sid: resolved (fixed in 141.0-1)
debian
CVE-2025-8034HIGHCVSS 8.8fixed in firefox 141.0-1 (sid)2025
CVE-2025-8034 [HIGH] CVE-2025-8034: firefox - Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbir...
Memory safety bugs present in Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird ESR 128.12, Firefox ESR 140.0, Thunderbird ESR 140.0, Firefox 140 and Thunderbird 140. 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 < 141, F
debian
CVE-2025-1937HIGHCVSS 7.5fixed in firefox 136.0-1 (sid)2025
CVE-2025-1937 [HIGH] CVE-2025-1937: firefox - Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, ...
Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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 < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thund
debian