Debian Firefox-Esr vulnerabilities
965 known vulnerabilities affecting debian/firefox-esr.
Total CVEs
965
CISA KEV
11
actively exploited
Public exploits
28
Exploited in wild
16
Severity breakdown
CRITICAL236HIGH418MEDIUM292LOW19
Vulnerabilities
Page 10 of 49
CVE-2016-2838P3HIGHCVSS 8.8fixed in firefox 48.0-1 (sid)2016
CVE-2016-2838 [HIGH] CVE-2016-2838: firefox - Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mo...
Heap-based buffer overflow in the nsBidi::BracketData::AddOpening function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via directional content in an SVG document.
Scope: local
sid: resolved (fixed in 48.0-1)
debian
CVE-2016-5278P3HIGHCVSS 8.8fixed in firefox 49.0-1 (sid)2016
CVE-2016-5278 [HIGH] CVE-2016-5278: firefox - Heap-based buffer overflow in the nsBMPEncoder::AddImageFrame function in Mozill...
Heap-based buffer overflow in the nsBMPEncoder::AddImageFrame function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via a crafted image data that is mishandled during the encoding of an image frame to an image.
Scope: local
sid: resolved (fixed in 49.0-1)
debian
CVE-2016-1968P3HIGHCVSS 8.8fixed in brotli 0.3.0+dfsg-3 (bookworm)2016
CVE-2016-1968 [HIGH] CVE-2016-1968: brotli - Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remo...
Integer underflow in Brotli, as used in Mozilla Firefox before 45.0, allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via crafted data with brotli compression.
Scope: local
bookworm: resolved (fixed in 0.3.0+dfsg-3)
bullseye: resolved (fixed in 0.3.0+dfsg-3)
forky: resolved (fixed in 0.3.0+dfsg-3)
sid: resolved (fixed in
debian
CVE-2019-11692P3CRITICALCVSS 9.8fixed in firefox 67.0-2 (sid)2019
CVE-2019-11692 [CRITICAL] CVE-2019-11692: firefox - A use-after-free vulnerability can occur when listeners are removed from the eve...
A use-after-free vulnerability can occur when listeners are removed from the event listener manager while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Scope: local
sid: resolved (fixed in 67.0-2)
debian
CVE-2023-5730P3CRITICALCVSS 9.8fixed in firefox 119.0-1 (sid)2023
CVE-2023-5730 [CRITICAL] CVE-2023-5730: firefox - Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 11...
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Scope: local
sid: resolved (fixed
debian
CVE-2018-5104P3CRITICALCVSS 9.8fixed in firefox 58.0-1 (sid)2018
CVE-2018-5104 [CRITICAL] CVE-2018-5104: firefox - A use-after-free vulnerability can occur during font face manipulation when a fo...
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
Scope: local
sid: resolved (fixed in 58.0-1)
debian
CVE-2018-5102P3CRITICALCVSS 9.8fixed in firefox 58.0-1 (sid)2018
CVE-2018-5102 [CRITICAL] CVE-2018-5102: firefox - A use-after-free vulnerability can occur when manipulating HTML media elements w...
A use-after-free vulnerability can occur when manipulating HTML media elements with media streams, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
Scope: local
sid: resolved (fixed in 58.0-1)
debian
CVE-2022-34470P3CRITICALCVSS 9.8fixed in firefox 102.0-1 (sid)2022
CVE-2022-34470 [CRITICAL] CVE-2022-34470: firefox - Session history navigations may have led to a use-after-free and potentially exp...
Session history navigations may have led to a use-after-free and potentially exploitable crash. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
Scope: local
sid: resolved (fixed in 102.0-1)
debian
CVE-2022-31736P3CRITICALCVSS 9.8fixed in firefox 101.0-1 (sid)2022
CVE-2022-31736 [CRITICAL] CVE-2022-31736: firefox - A malicious website could have learned the size of a cross-origin resource that ...
A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Scope: local
sid: resolved (fixed in 101.0-1)
debian
CVE-2023-4056P3CRITICALCVSS 9.8fixed in firefox 116.0-1 (sid)2023
CVE-2023-4056 [CRITICAL] CVE-2023-4056: firefox - Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13...
Memory safety bugs present in Firefox 115, Firefox ESR 115.0, Firefox ESR 102.13, Thunderbird 115.0, and Thunderbird 102.13. 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 < 116, Firefox ESR < 102.14, and Firefox ESR < 1
debian
CVE-2022-46882P3CRITICALCVSS 9.8fixed in firefox 107.0-1 (sid)2022
CVE-2022-46882 [CRITICAL] CVE-2022-46882: firefox - A use-after-free in WebGL extensions could have led to a potentially exploitable...
A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.
Scope: local
sid: resolved (fixed in 107.0-1)
debian
CVE-2024-9394P3HIGHCVSS 7.5fixed in firefox 131.0-1 (sid)2024
CVE-2024-9394 [HIGH] CVE-2024-9394: firefox - An attacker could, via a specially crafted multipart response, execute arbitrary...
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This could allow them to access cross-origin JSON content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability
debian
CVE-2024-9393P3HIGHCVSS 7.5fixed in firefox 131.0-1 (sid)2024
CVE-2024-9393 [HIGH] CVE-2024-9393: firefox - An attacker could, via a specially crafted multipart response, execute arbitrary...
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin. This could allow them to access cross-origin PDF content. This access is limited to "same site" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability aff
debian
CVE-2016-5275P3HIGHCVSS 8.8fixed in firefox 49.0-1 (sid)2016
CVE-2016-5275 [HIGH] CVE-2016-5275: firefox - Buffer overflow in the mozilla::gfx::FilterSupport::ComputeSourceNeededRegions f...
Buffer overflow in the mozilla::gfx::FilterSupport::ComputeSourceNeededRegions function in Mozilla Firefox before 49.0 allows remote attackers to execute arbitrary code by leveraging improper interaction between empty filters and CANVAS element rendering.
Scope: local
sid: resolved (fixed in 49.0-1)
debian
CVE-2016-9063P3CRITICALCVSS 9.8fixed in expat 2.2.0-2 (bookworm)2016
CVE-2016-9063 [CRITICAL] CVE-2016-9063: expat - An integer overflow during the parsing of XML using the Expat library. This vuln...
An integer overflow during the parsing of XML using the Expat library. This vulnerability affects Firefox < 50.
Scope: local
bookworm: resolved (fixed in 2.2.0-2)
bullseye: resolved (fixed in 2.2.0-2)
forky: resolved (fixed in 2.2.0-2)
sid: resolved (fixed in 2.2.0-2)
trixie: resolved (fixed in 2.2.0-2)
debian
CVE-2019-11759P3HIGHCVSS 8.8fixed in firefox 70.0-1 (sid)2019
CVE-2019-11759 [HIGH] CVE-2019-11759: firefox - An attacker could have caused 4 bytes of HMAC output to be written past the end ...
An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Scope: local
sid: resolved (fixed in 70.0-1)
debian
CVE-2017-5448P3HIGHCVSS 8.6fixed in firefox 52.0.1-1 (sid)2017
CVE-2017-5448 [HIGH] CVE-2017-5448: firefox - An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-enc...
An out-of-bounds write in "ClearKeyDecryptor" while decrypting some Clearkey-encrypted media content. The "ClearKeyDecryptor" code runs within the Gecko Media Plugin (GMP) sandbox. If a second mechanism is found to escape the sandbox, this vulnerability allows for the writing of arbitrary data within memory, resulting in a potentially exploitable crash. This vulnerabi
debian
CVE-2018-18493P3CRITICALCVSS 9.8fixed in firefox 64.0-1 (sid)2018
CVE-2018-18493 [CRITICAL] CVE-2018-18493: firefox - A buffer overflow can occur in the Skia library during buffer offset calculation...
A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
Scope: local
sid: resolved (fixed in 64.0-1)
debian
CVE-2023-6861P3HIGHCVSS 8.8fixed in firefox 121.0-1 (sid)2023
CVE-2023-6861 [HIGH] CVE-2023-6861: firefox - The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflo...
The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Scope: local
sid: resolved (fixed in 121.0-1)
debian
CVE-2025-0242P3MEDIUMCVSS 6.5fixed in firefox 134.0-1 (sid)2025
CVE-2025-0242 [MEDIUM] CVE-2025-0242: firefox - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, ...
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 some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Firef
debian