thunderbird vulnerabilities
CVEs whose affected-version data names the thunderbird package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
595 CVEsRSS
CVE-2025-1009Critical· 9.8An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash
An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
CVE-2025-0247Critical· 9.8Memory safety bugs present in Firefox 133 and Thunderbird 133
Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 vulnerabili…
CVE-2025-0243Medium· 5.1Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited …
CVE-2025-0242Medium· 6.5Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort …
CVE-2025-0241High· 7.7When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
CVE-2025-0240Medium· 4.0Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 1…
CVE-2025-0239Medium· 4.0When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
CVE-2025-0237Medium· 5.4The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerabilit…
CVE-2025-0238Medium· 5.3Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash
Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 1…
CVE-2024-9680Critical· 9.8CISA KEV0dayPoCAn attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines
An attacker was able to achieve code execution in the content process by exploiting a use-after-free in Animation timelines. We have had reports of this vulnerability being exploited in the wild. This vulnerability affects Firefox < 131.…
CVE-2024-9398Medium· 5.3By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed
By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firef…
CVE-2024-5700High· 7.0Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11
Memory safety bugs present in Firefox 126, Firefox ESR 115.11, and Thunderbird 115.11. 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 arbitrar…
CVE-2024-3863Critical· 9.8The executable file warning was not presented when downloading .xrm-ms files
The executable file warning was not presented when downloading .xrm-ms files. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 125, Firefox ESR < 1…
CVE-2023-29550High· 8.8Memory safety bugs present in Firefox 111 and Firefox ESR 102.9
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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 vulnerabi…
CVE-2023-29548Medium· 6.5A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result
A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
CVE-2023-29541High· 8.8Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands
Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*This bug only affects Firefox for Linux on certain Distributions. Other operating syst…
CVE-2023-29539High· 8.8When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to inst…
CVE-2023-29536High· 8.8An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash
An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 11…
CVE-2023-29535Medium· 6.5Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for And…
CVE-2023-29533Medium· 4.3A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls
A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls. This could have led to user conf…
CVE-2022-26486Critical· 9.6CISA KEV0dayAn unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.…
CVE-2022-26485High· 8.8CISA KEV0dayPoCRemoving an XSLT parameter during processing could have lead to an exploitable use-after-free
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for A…
CVE-2020-15664Medium· 6.5By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension
By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user con…
CVE-2020-15670High· 8.8Mozilla developers reported memory safety bugs present in Firefox for Android 79
Mozilla developers reported memory safety bugs present in Firefox for Android 79. 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 cod…
CVE-2017-5436High· 8.8An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font
An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulner…