Debian Firefox vulnerabilities
1,550 known vulnerabilities affecting debian/firefox.
Total CVEs
1,550
CISA KEV
11
actively exploited
Public exploits
39
Exploited in wild
20
Severity breakdown
CRITICAL333HIGH633MEDIUM542LOW42
Vulnerabilities
Page 19 of 78
CVE-2021-23987P3HIGHCVSS 8.8fixed in firefox 87.0-1 (sid)2021
CVE-2021-23987 [HIGH] CVE-2021-23987: firefox - Mozilla developers and community members reported memory safety bugs present in ...
Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. 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 ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
Scope: local
debian
CVE-2021-23964P3HIGHCVSS 8.8fixed in firefox 85.0-1 (sid)2021
CVE-2021-23964 [HIGH] CVE-2021-23964: firefox - Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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 < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Scope: local
sid: resolved (fixed
debian
CVE-2021-38500P3HIGHCVSS 8.8fixed in firefox 93.0-1 (sid)2021
CVE-2021-38500 [HIGH] CVE-2021-38500: firefox - Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefo
debian
CVE-2021-29989P3HIGHCVSS 8.8fixed in firefox 91.0-1 (sid)2021
CVE-2021-29989 [HIGH] CVE-2021-29989: firefox - Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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 Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.
Scope: local
sid: resolved (fix
debian
CVE-2021-38493P3HIGHCVSS 8.8fixed in firefox 92.0-1 (sid)2021
CVE-2021-38493 [HIGH] CVE-2021-38493: firefox - Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 ESR < 78.14, Thunderbird < 78.14, and Firefox < 92.
Scope: local
sid: resolved (fix
debian
CVE-2021-29976P3HIGHCVSS 8.8fixed in firefox 90.0-1 (sid)2021
CVE-2021-29976 [HIGH] CVE-2021-29976: firefox - Mozilla developers reported memory safety bugs present in code shared between Fi...
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. 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 Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Scope: local
sid: re
debian
CVE-2025-8037P3CRITICALCVSS 9.1fixed in firefox 141.0-1 (sid)2025
CVE-2025-8037 [CRITICAL] CVE-2025-8037: firefox - Setting a nameless cookie with an equals sign in the value shadowed other cookie...
Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability affects Firefox < 141, Firefox ESR < 140.1, Thunderbird < 141, and Thunderbird < 140.1.
Scope: local
sid: resolved (fixed in 141.0-1)
debian
CVE-2017-5469P3CRITICALCVSS 9.8fixed in firefox 52.0.1-1 (sid)2017
CVE-2017-5469 [CRITICAL] CVE-2017-5469: firefox - Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 ...
Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Scope: local
sid: resolved (fixed in 52.0.1-1)
debian
CVE-2022-22740P3HIGHCVSS 8.8fixed in firefox 96.0-1 (sid)2022
CVE-2022-22740 [HIGH] CVE-2022-22740: firefox - Certain network request objects were freed too early when releasing a network re...
Certain network request objects were freed too early when releasing a network request handle. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Scope: local
sid: resolved (fixed in 96.0-1)
debian
CVE-2022-46874P3HIGHCVSS 8.8fixed in firefox 108.0-1 (sid)2022
CVE-2022-46874 [HIGH] CVE-2022-46874: firefox - A file with a long filename could have had its filename truncated to remove the ...
A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code.*Note*: This issue was originally included in the advisories for Thunderbird 102.6, but a patch (specific to Thunderbird) was omitted, resulting i
debian
CVE-2023-6212P3HIGHCVSS 8.8fixed in firefox 120.0-1 (sid)2023
CVE-2023-6212 [HIGH] CVE-2023-6212: firefox - Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 11...
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Scope: local
sid: resolved (fixed in
debian
CVE-2022-38478P3HIGHCVSS 8.8fixed in firefox 104.0-1 (sid)2022
CVE-2022-38478 [HIGH] CVE-2022-38478: firefox - Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox ...
Members the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 103, Firefox ESR 102.1, and Firefox ESR 91.12. 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 Thunderbird < 102.2, Thunderbird < 91.13, Firefox ESR <
debian
CVE-2022-45409P3HIGHCVSS 8.8fixed in firefox 107.0-1 (sid)2022
CVE-2022-45409 [HIGH] CVE-2022-45409: firefox - The garbage collector could have been aborted in several states and zones and <c...
The garbage collector could have been aborted in several states and zones and GCRuntime::finishCollection may not have been called, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
Scope: local
sid: resolved (fixed in 107.0-1)
debian
CVE-2023-4585P3HIGHCVSS 8.8fixed in firefox 117.0-1 (sid)2023
CVE-2023-4585 [HIGH] CVE-2023-4585: firefox - Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 11...
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. 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 < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
Scope: local
sid: resolved (fixed in 11
debian
CVE-2023-37211P3HIGHCVSS 8.8fixed in firefox 115.0-1 (sid)2023
CVE-2023-37211 [HIGH] CVE-2023-37211: firefox - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 1...
Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. 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 < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Scope: local
sid: resolved (fixed
debian
CVE-2023-32207P3HIGHCVSS 8.8fixed in firefox 113.0-1 (sid)2023
CVE-2023-32207 [HIGH] CVE-2023-32207: firefox - A missing delay in popup notifications could have made it possible for an attack...
A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
Scope: local
sid: resolved (fixed in 113.0-1)
debian
CVE-2022-22755P3HIGHCVSS 8.8fixed in firefox 97.0-1 (sid)2022
CVE-2022-22755 [HIGH] CVE-2022-22755: firefox - By using XSL Transforms, a malicious webserver could have served a user an XSL d...
By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within the bounds of the same-origin policy) even after the tab was closed. This vulnerability affects Firefox < 97.
Scope: local
sid: resolved (fixed in 97.0-1)
debian
CVE-2024-3856P3HIGHCVSS 8.8fixed in firefox 125.0.1-1 (sid)2024
CVE-2024-3856 [HIGH] CVE-2024-3856: firefox - A use-after-free could occur during WASM execution if garbage collection ran dur...
A use-after-free could occur during WASM execution if garbage collection ran during the creation of an array. This vulnerability affects Firefox < 125.
Scope: local
sid: resolved (fixed in 125.0.1-1)
debian
CVE-2024-9396P3HIGHCVSS 8.8fixed in firefox 131.0-1 (sid)2024
CVE-2024-9396 [HIGH] CVE-2024-9396: firefox - It is currently unknown if this issue is exploitable but a condition may arise w...
It is currently unknown if this issue is exploitable but a condition may arise where the structured clone of certain objects could lead to memory corruption. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
Scope: local
sid: resolved (fixed in 131.0-1)
debian
CVE-2017-7786P3CRITICALCVSS 9.8fixed in firefox 55.0-1 (sid)2017
CVE-2017-7786 [CRITICAL] CVE-2017-7786: firefox - A buffer overflow can occur when the image renderer attempts to paint non-displa...
A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
Scope: local
sid: resolved (fixed in 55.0-1)
debian