Debian Firefox-Esr vulnerabilities

1,071 known vulnerabilities affecting debian/firefox-esr.

Total CVEs
1,071
CISA KEV
11
actively exploited
Public exploits
23
Exploited in wild
15
Severity breakdown
CRITICAL236HIGH418MEDIUM292LOW125

Vulnerabilities

Page 26 of 54
CVE-2021-4129CRITICALCVSS 9.8fixed in firefox 95.0-1 (sid)2021
CVE-2021-4129 [CRITICAL] CVE-2021-4129: firefox - Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele ... Mozilla developers and community members Julian Hector, Randell Jesup, Gabriele Svelto, Tyson Smith, Christian Holler, and Masayuki Nakano reported memory safety bugs present in Firefox 94. 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
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CVE-2021-32810CRITICALCVSS 9.8fixed in firefox 93.0-1 (sid)2021
CVE-2021-32810 [CRITICAL] CVE-2021-32810: firefox - crossbeam-deque is a package of work-stealing deques for building task scheduler... crossbeam-deque is a package of work-stealing deques for building task schedulers when programming in Rust. In versions prior to 0.7.4 and 0.8.0, the result of the race condition is that one or more tasks in the worker queue can be popped twice instead of other tasks that are forgotten and never popped. If tasks are allocated on the heap, this can cause double f
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CVE-2021-38503CRITICALCVSS 10.0fixed in firefox 94.0-1 (sid)2021
CVE-2021-38503 [CRITICAL] CVE-2021-38503: firefox - The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowin... The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Scope: local sid: resolved (fixed in 94.0-1)
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CVE-2021-29989HIGHCVSS 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
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CVE-2021-23995HIGHCVSS 8.8fixed in firefox 88.0-1 (sid)2021
CVE-2021-23995 [HIGH] CVE-2021-23995: firefox - When Responsive Design Mode was enabled, it used references to objects that were... When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88. Scope: local sid: resolved (fixed in 88.0-1)
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CVE-2021-23978HIGHCVSS 8.8fixed in firefox 86.0-1 (sid)2021
CVE-2021-23978 [HIGH] CVE-2021-23978: firefox - Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8. Scope: local sid: resolved (fixed
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CVE-2021-23999HIGHCVSS 8.8fixed in firefox 88.0-1 (sid)2021
CVE-2021-23999 [HIGH] CVE-2021-23999: firefox - If a Blob URL was loaded through some unusual user interaction, it could have be... If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88. Scope: local sid: resolved (fixed in 88.0-1)
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CVE-2021-38504HIGHCVSS 8.8fixed in firefox 94.0-1 (sid)2021
CVE-2021-38504 [HIGH] CVE-2021-38504: firefox - When interacting with an HTML input element's file picker dialog with webkitdire... When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3. Scope: local sid: resolved (fixed in 94.0-1)
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CVE-2021-38498HIGHCVSS 7.5fixed in firefox 93.0-1 (sid)2021
CVE-2021-38498 [HIGH] CVE-2021-38498: firefox - During process shutdown, a document could have caused a use-after-free of a lang... During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. Scope: local sid: resolved (fixed in 93.0-1)
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CVE-2021-29988HIGHCVSS 8.8fixed in firefox 91.0-1 (sid)2021
CVE-2021-29988 [HIGH] CVE-2021-29988: firefox - Firefox incorrectly treated an inline list-item element as a block element, resu... Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Scope: local sid: resolved (fixed in 91.0-1)
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CVE-2021-29967HIGHCVSS 8.8fixed in firefox 89.0-1 (sid)2021
CVE-2021-29967 [HIGH] CVE-2021-29967: firefox - Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox... Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. 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 arbitrary code. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11. Scope: local sid: resolved (fix
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CVE-2021-24002HIGHCVSS 8.8fixed in firefox 88.0-1 (sid)2021
CVE-2021-24002 [HIGH] CVE-2021-24002: firefox - When a user clicked on an FTP URL containing encoded newline characters (%0A and... When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88. Scope: local sid: resolved (fixed in 88.0-1)
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CVE-2021-29984HIGHCVSS 8.8fixed in firefox 91.0-1 (sid)2021
CVE-2021-29984 [HIGH] CVE-2021-29984: firefox - Instruction reordering resulted in a sequence of instructions that would cause a... Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Scope: local sid: resolved (fixed in 91.0-1)
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CVE-2021-29986HIGHCVSS 8.1fixed in firefox 91.0-1 (sid)2021
CVE-2021-29986 [HIGH] CVE-2021-29986: firefox - A suspected race condition when calling getaddrinfo led to memory corruption and... A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91. Scope: local sid: resolved (fixed in 91.0-1)
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CVE-2021-38501HIGHCVSS 8.8fixed in firefox 93.0-1 (sid)2021
CVE-2021-38501 [HIGH] CVE-2021-38501: 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 Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2. Scope: local sid: resolved (fixed
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CVE-2021-38496HIGHCVSS 8.8fixed in firefox 93.0-1 (sid)2021
CVE-2021-38496 [HIGH] CVE-2021-38496: firefox - During operations on MessageTasks, a task may have been removed while it was sti... During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93. Scope: local sid: resolved (fixed in 93.0-1)
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CVE-2021-38493HIGHCVSS 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
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CVE-2021-23994HIGHCVSS 8.8fixed in firefox 88.0-1 (sid)2021
CVE-2021-23994 [HIGH] CVE-2021-23994: firefox - A WebGL framebuffer was not initialized early enough, resulting in memory corrup... A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88. Scope: local sid: resolved (fixed in 88.0-1)
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CVE-2021-23981HIGHCVSS 8.1fixed in firefox 87.0-1 (sid)2021
CVE-2021-23981 [HIGH] CVE-2021-23981: firefox - A texture upload of a Pixel Buffer Object could have confused the WebGL code to ... A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. Scope: local sid: resolved (fixed in 87.0-1)
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CVE-2021-23954HIGHCVSS 8.8fixed in firefox 85.0-1 (sid)2021
CVE-2021-23954 [HIGH] CVE-2021-23954: firefox - Using the new logical assignment operators in a JavaScript switch statement coul... Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Scope: local sid: resolved (fixed in 85.0-1)
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