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 29 of 54
CVE-2021-38505LOWCVSS 6.52021
CVE-2021-38505 [MEDIUM] CVE-2021-38505: firefox - Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which,...
Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and
debian
CVE-2020-6825CRITICALCVSS 9.8fixed in firefox 75.0-1 (sid)2020
CVE-2020-6825 [CRITICAL] CVE-2020-6825: firefox - Mozilla developers and community members Tyson Smith and Christian Holler report...
Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 Thunderbird < 68.7.0, Firefox ESR <
debian
CVE-2020-6831CRITICALCVSS 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-2020-15683CRITICALCVSS 9.8fixed in firefox 82.0-1 (sid)2020
CVE-2020-15683 [CRITICAL] CVE-2020-15683: firefox - Mozilla developers and community members reported memory safety bugs present in ...
Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. 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 ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.
Scope: l
debian
CVE-2020-6814CRITICALCVSS 9.8fixed in firefox 74.0-1 (sid)2020
CVE-2020-6814 [CRITICAL] CVE-2020-6814: firefox - Mozilla developers reported memory safety bugs present in Firefox and Thunderbir...
Mozilla developers reported memory safety bugs present in Firefox and Thunderbird 68.5. 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 Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Scope: local
sid
debian
CVE-2020-12395CRITICALCVSS 9.8fixed in firefox 76.0-1 (sid)2020
CVE-2020-12395 [CRITICAL] CVE-2020-12395: firefox - Mozilla developers and community members reported memory safety bugs present in ...
Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Scope:
debian
CVE-2020-12420HIGHCVSS 8.8fixed in firefox 78.0-1 (sid)2020
CVE-2020-12420 [HIGH] CVE-2020-12420: firefox - When trying to connect to a STUN server, a race condition could have caused a us...
When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Scope: local
sid: resolved (fixed in 78.0-1)
debian
CVE-2020-15678HIGHCVSS 8.8fixed in firefox 81.0-1 (sid)2020
CVE-2020-15678 [HIGH] CVE-2020-15678: firefox - When recursing through graphical layers while scrolling, an iterator may have be...
When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Scope: local
sid: reso
debian
CVE-2020-6796HIGHCVSS 8.8fixed in firefox 73.0-1 (sid)2020
CVE-2020-6796 [HIGH] CVE-2020-6796: firefox - A content process could have modified shared memory relating to crash reporting ...
A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.
Scope: local
sid: resolved (fixed in 73.0-1)
debian
CVE-2020-6819HIGHCVSS 8.1KEVfixed in firefox 74.0.1-1 (sid)2020
CVE-2020-6819 [HIGH] CVE-2020-6819: firefox - Under certain conditions, when running the nsDocShell destructor, a race conditi...
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Scope: local
sid: resolved (fixed in 74.0.1-1)
debian
CVE-2020-6807HIGHCVSS 8.8fixed in firefox 74.0-1 (sid)2020
CVE-2020-6807 [HIGH] CVE-2020-6807: firefox - When a device was changed while a stream was about to be destroyed, the <code>st...
When a device was changed while a stream was about to be destroyed, the stream-reinit task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Scope: local
sid: resolved (fixed in 74.0-1)
debian
CVE-2020-6463HIGHCVSS 8.8fixed in chromium 83.0.4103.83-1 (bookworm)2020
CVE-2020-6463 [HIGH] CVE-2020-6463: chromium - Use after free in ANGLE in Google Chrome prior to 81.0.4044.122 allowed a remote...
Use after free in ANGLE in Google Chrome prior to 81.0.4044.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 83.0.4103.83-1)
bullseye: resolved (fixed in 83.0.4103.83-1)
forky: resolved (fixed in 83.0.4103.83-1)
sid: resolved (fixed in 83.0.4103.83-1)
trixie: resolved (fixed in 83.
debian
CVE-2020-26974HIGHCVSS 8.8fixed in firefox 84.0-1 (sid)2020
CVE-2020-26974 [HIGH] CVE-2020-26974: firefox - When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object coul...
When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Scope: local
sid: resolved (fixed in 84.0-1)
debian
CVE-2020-26960HIGHCVSS 8.8fixed in firefox 83.0-1 (sid)2020
CVE-2020-26960 [HIGH] CVE-2020-26960: firefox - If the Compact() method was called on an nsTArray, the array could have been rea...
If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Scope: local
sid: resolved (fixed in 83.0-1)
debian
CVE-2020-15673HIGHCVSS 8.8fixed in firefox 81.0-1 (sid)2020
CVE-2020-15673 [HIGH] CVE-2020-15673: firefox - Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. 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 < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Scope: local
sid: resolved (fixed
debian
CVE-2020-6806HIGHCVSS 8.8fixed in firefox 74.0-1 (sid)2020
CVE-2020-6806 [HIGH] CVE-2020-6806: firefox - By carefully crafting promise resolutions, it was possible to cause an out-of-bo...
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Scope: local
sid: resolved (fixed in 74.0
debian
CVE-2020-15659HIGHCVSS 8.8fixed in firefox 79.0-1 (sid)2020
CVE-2020-15659 [HIGH] CVE-2020-15659: firefox - Mozilla developers and community members reported memory safety bugs present in ...
Mozilla developers and community members reported memory safety bugs present in Firefox 78 and Firefox ESR 78.0. 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 < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 6
debian
CVE-2020-6805HIGHCVSS 8.8fixed in firefox 74.0-1 (sid)2020
CVE-2020-6805 [HIGH] CVE-2020-6805: firefox - When removing data about an origin whose tab was recently closed, a use-after-fr...
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
Scope: local
sid: resolved (fixed in 74.0-1)
debian
CVE-2020-26968HIGHCVSS 8.8fixed in firefox 83.0-1 (sid)2020
CVE-2020-26968 [HIGH] CVE-2020-26968: firefox - Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox...
Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. 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 < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Scope: local
sid: resolved (fixed
debian
CVE-2020-6820HIGHCVSS 8.1KEVfixed in firefox 74.0.1-1 (sid)2020
CVE-2020-6820 [HIGH] CVE-2020-6820: firefox - Under certain conditions, when handling a ReadableStream, a race condition can c...
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
Scope: local
sid: resolved (fixed in 74.0.1-1)
debian