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 8 of 49
CVE-2024-2607P3HIGHCVSS 8.1fixed in firefox 124.0-1 (sid)2024
CVE-2024-2607 [HIGH] CVE-2024-2607: firefox - Return registers were overwritten which could have allowed an attacker to execut...
Return registers were overwritten which could have allowed an attacker to execute arbitrary code. *Note:* This issue only affected Armv7-A systems. Other operating systems are unaffected. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.
Scope: local
sid: resolved (fixed in 124.0-1)
debian
CVE-2016-9901P3CRITICALCVSS 9.8fixed in firefox 50.1.0-1 (sid)2016
CVE-2016-9901 [CRITICAL] CVE-2016-9901: firefox - HTML tags received from the Pocket server will be processed without sanitization...
HTML tags received from the Pocket server will be processed without sanitization and any JavaScript code executed will be run in the "about:pocket-saved" (unprivileged) page, giving it access to Pocket's messaging API through HTML injection. This vulnerability affects Firefox ESR < 45.6 and Firefox < 50.1.
Scope: local
sid: resolved (fixed in 50.1.0-1)
debian
CVE-2025-9185P3HIGHCVSS 8.1fixed in firefox 142.0-1 (sid)2025
CVE-2025-9185 [HIGH] CVE-2025-9185: firefox - Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbir...
Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, F
debian
CVE-2025-14333P3HIGHCVSS 8.1fixed in firefox 146.0-1 (sid)2025
CVE-2025-14333 [HIGH] CVE-2025-14333: firefox - Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox ...
Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, 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 affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6
debian
CVE-2016-9075P3CRITICALCVSS 9.8fixed in firefox 50.0-1 (sid)2016
CVE-2016-9075 [CRITICAL] CVE-2016-9075: firefox - An issue where WebExtensions can use the mozAddonManager API to elevate privileg...
An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.
Scope: local
sid: resolved (fixed in 50.0-1)
debian
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-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-2017-7828P3CRITICALCVSS 9.8fixed in firefox 57.0-1 (sid)2017
CVE-2017-7828 [CRITICAL] CVE-2017-7828: firefox - A use-after-free vulnerability can occur when flushing and resizing layout becau...
A use-after-free vulnerability can occur when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.
Scope: local
sid: resolved (fixed in 57.0-1)
debian
CVE-2018-18356P3HIGHCVSS 8.8fixed in chromium 71.0.3578.80-1 (bookworm)2018
CVE-2018-18356 [HIGH] CVE-2018-18356: chromium - An integer overflow in path handling lead to a use after free in Skia in Google ...
An integer overflow in path handling lead to a use after free in Skia in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 71.0.3578.80-1)
bullseye: resolved (fixed in 71.0.3578.80-1)
forky: resolved (fixed in 71.0.3578.80-1)
sid: resolved (fixed in
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-2024-9401P3CRITICALCVSS 9.8fixed in firefox 131.0-1 (sid)2024
CVE-2024-9401 [CRITICAL] CVE-2024-9401: firefox - Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2...
Memory safety bugs present in Firefox 130, Firefox ESR 115.15, Firefox ESR 128.2, and Thunderbird 128.2. 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 < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.
debian
CVE-2024-8384P3CRITICALCVSS 9.8fixed in firefox 130.0-1 (sid)2024
CVE-2024-8384 [CRITICAL] CVE-2024-8384: firefox - The JavaScript garbage collector could mis-color cross-compartment objects if OO...
The JavaScript garbage collector could mis-color cross-compartment objects if OOM conditions were detected at the right point between two passes. This could have led to memory corruption. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
Scope: local
sid: resolved (fixed in 130.0-1)
debian
CVE-2025-9179P3CRITICALCVSS 9.8fixed in firefox 142.0-1 (sid)2025
CVE-2025-9179 [CRITICAL] CVE-2025-9179: firefox - An attacker was able to perform memory corruption in the GMP process which proce...
An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and T
debian
CVE-2025-8028P3CRITICALCVSS 9.8fixed in firefox 141.0-1 (sid)2025
CVE-2025-8028 [CRITICAL] CVE-2025-8028: firefox - On arm64, a WASM `br_table` instruction with a lot of entries could lead to the ...
On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Scop
debian
CVE-2025-1017P3CRITICALCVSS 9.8fixed in firefox 135.0-1 (sid)2025
CVE-2025-1017 [CRITICAL] CVE-2025-1017: firefox - Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, a...
Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
debian
CVE-2020-6831P3CRITICALCVSS 9.8fixed in chromium 83.0.4103.83-1 (bookworm)2020
CVE-2020-6831 [CRITICAL] CVE-2020-6831: chromium - A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC....
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Scope: local
bookworm: resolved (fixed in 83.0.4103.83-1)
bullseye: resolved (fixed in 83.0.4103.83-1)
forky: resolved
debian
CVE-2018-5127P3HIGHCVSS 8.8fixed in firefox 59.0-1 (sid)2018
CVE-2018-5127 [HIGH] CVE-2018-5127: firefox - A buffer overflow can occur when manipulating the SVG "animatedPathSegList" thro...
A buffer overflow can occur when manipulating the SVG "animatedPathSegList" through script. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.
Scope: local
sid: resolved (fixed in 59.0-1)
debian
CVE-2020-15969P3HIGHCVSS 8.8fixed in chromium 87.0.4280.88-0.1 (bookworm)2020
CVE-2020-15969 [HIGH] CVE-2020-15969: chromium - Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote...
Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 87.0.4280.88-0.1)
bullseye: resolved (fixed in 87.0.4280.88-0.1)
forky: resolved (fixed in 87.0.4280.88-0.1)
sid: resolved (fixed in 87.0.4280.88-0.1)
trixie: resolved (fi
debian