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 71 of 78
CVE-2019-9817P4MEDIUMCVSS 5.3fixed in firefox 67.0-2 (sid)2019
CVE-2019-9817 [MEDIUM] CVE-2019-9817: firefox - Images from a different domain can be read using a canvas object in some circums...
Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site in violation of same-origin policy. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Scope: local
sid: resolved (fixed in 67.0-2)
debian
CVE-2025-5264P4MEDIUMCVSS 4.8fixed in firefox 139.0-1 (sid)2025
CVE-2025-5264 [MEDIUM] CVE-2025-5264: firefox - Due to insufficient escaping of the newline character in the “Copy as cURL” feat...
Due to insufficient escaping of the newline character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 139, Firefox ESR < 115.24, Firefox ESR < 128.11, Thunderbird < 139, and Thunderbird < 128.11.
Scope: local
sid: resolved (fi
debian
CVE-2019-11720P4MEDIUMCVSS 6.1fixed in firefox 68.0-1 (sid)2019
CVE-2019-11720 [MEDIUM] CVE-2019-11720: firefox - Some unicode characters are incorrectly treated as whitespace during the parsing...
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Scope: local
sid: resolved (fixed in 68.0-1)
debian
CVE-2017-5414P4MEDIUMCVSS 5.5fixed in firefox 52.0-1 (sid)2017
CVE-2017-5414 [MEDIUM] CVE-2017-5414: firefox - The file picker dialog can choose and display the wrong local default directory ...
The file picker dialog can choose and display the wrong local default directory when instantiated. On some operating systems, this can lead to information disclosure, such as the operating system or the local account name. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Scope: local
sid: resolved (fixed in 52.0-1)
debian
CVE-2006-1729P4MEDIUMCVSS 4.3fixed in firefox 1.5.dfsg+1.5.0.2-1 (sid)2006
CVE-2006-1729 [MEDIUM] CVE-2006-1729: firefox - Mozilla Firefox 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before ...
Mozilla Firefox 1.x before 1.5.0.2 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0.1 allows remote attackers to read arbitrary files by (1) inserting the target filename into a text box, then turning that box into a file upload control, or (2) changing the type of the input control that is associated with an event handler.
Scope: local
debian
CVE-2025-4089P4MEDIUMCVSS 5.1fixed in firefox 138.0-1 (sid)2025
CVE-2025-4089 [MEDIUM] CVE-2025-4089: firefox - Due to insufficient escaping of special characters in the "copy as cURL" feature...
Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 138 and Thunderbird < 138.
Scope: local
sid: resolved (fixed in 138.0-1)
debian
CVE-2018-5172P4MEDIUMCVSS 4.3fixed in firefox 60.0-1 (sid)2018
CVE-2018-5172 [MEDIUM] CVE-2018-5172: firefox - The Live Bookmarks page and the PDF viewer can run injected script content if a ...
The Live Bookmarks page and the PDF viewer can run injected script content if a user pastes script from the clipboard into them while viewing RSS feeds or PDF files. This could allow a malicious site to socially engineer a user to copy and paste malicious script content that could then run with the context of either page but does not allow for privilege escalation.
debian
CVE-2024-6601P4MEDIUMCVSS 4.7fixed in firefox 128.0-1 (sid)2024
CVE-2024-6601 [MEDIUM] CVE-2024-6601: firefox - A race condition could lead to a cross-origin container obtaining permissions of...
A race condition could lead to a cross-origin container obtaining permissions of the top-level origin. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
Scope: local
sid: resolved (fixed in 128.0-1)
debian
CVE-2006-1742P4MEDIUMCVSS 5.0fixed in firefox 1.5.dfsg+1.5.0.2-2 (sid)2006
CVE-2006-1742 [MEDIUM] CVE-2006-1742: firefox - The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0....
The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 does not properly handle temporary variables that are not garbage collected, which might allow remote attackers to trigger operations on freed memory and cause memory corruption.
Scope: local
sid: resolved (fixed in 1.
debian
CVE-2024-3860P4MEDIUMCVSS 6.2fixed in firefox 125.0.1-1 (sid)2024
CVE-2024-3860 [MEDIUM] CVE-2024-3860: firefox - An out-of-memory condition during object initialization could result in an empty...
An out-of-memory condition during object initialization could result in an empty shape list. If the JIT subsequently traced the object it would crash. This vulnerability affects Firefox < 125.
Scope: local
sid: resolved (fixed in 125.0.1-1)
debian
CVE-2006-6503P4HIGHCVSS 6.8fixed in firefox 45.0-1 (sid)2006
CVE-2006-6503 [MEDIUM] CVE-2006-6503: firefox - Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5...
Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.
Scope: local
sid: resolved (fixed in 45.0-1)
debian
CVE-2006-2784P4MEDIUMCVSS 5.1fixed in firefox 1.5.dfsg+1.5.0.4-1 (sid)2006
CVE-2006-2784 [MEDIUM] CVE-2006-2784: firefox - The PLUGINSPAGE functionality in Mozilla Firefox before 1.5.0.4 allows remote us...
The PLUGINSPAGE functionality in Mozilla Firefox before 1.5.0.4 allows remote user-assisted attackers to execute privileged code by tricking a user into installing missing plugins and selecting the "Manual Install" button, then using nested javascript: URLs. NOTE: the manual install button is used for downloading software from a remote web site, so this issue would
debian
CVE-2006-3810P4HIGHCVSS 6.8fixed in firefox 1.5.dfsg+1.5.0.5-1 (sid)2006
CVE-2006-3810 [MEDIUM] CVE-2006-3810: firefox - Cross-site scripting (XSS) vulnerability in Mozilla Firefox 1.5 before 1.5.0.5, ...
Cross-site scripting (XSS) vulnerability in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbird before 1.5.0.5, and SeaMonkey before 1.0.3 allows remote attackers to inject arbitrary web script or HTML via the XPCNativeWrapper(window).Function construct.
Scope: local
sid: resolved (fixed in 1.5.dfsg+1.5.0.5-1)
debian
CVE-2019-11728P4MEDIUMCVSS 4.7fixed in firefox 68.0-1 (sid)2019
CVE-2019-11728 [MEDIUM] CVE-2019-11728: firefox - The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site t...
The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox < 68.
Scope: local
sid: resolved (fixed in 68.0-1)
debian
CVE-2024-5691P4MEDIUMCVSS 4.7fixed in firefox 127.0-1 (sid)2024
CVE-2024-5691 [MEDIUM] CVE-2024-5691: firefox - By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe coul...
By tricking the browser with a `X-Frame-Options` header, a sandboxed iframe could have presented a button that, if clicked by a user, would bypass restrictions to open a new window. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Scope: local
sid: resolved (fixed in 127.0-1)
debian
CVE-2021-38508P4MEDIUMCVSS 4.3fixed in firefox 94.0-1 (sid)2021
CVE-2021-38508 [MEDIUM] CVE-2021-38508: firefox - By displaying a form validity message in the correct location at the same time a...
By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Scope: local
sid: res
debian
CVE-2016-2832P4MEDIUMCVSS 4.3fixed in firefox 47.0-1 (sid)2016
CVE-2016-2832 [MEDIUM] CVE-2016-2832: firefox - Mozilla Firefox before 47.0 allows remote attackers to discover the list of disa...
Mozilla Firefox before 47.0 allows remote attackers to discover the list of disabled plugins via a fingerprinting attack involving Cascading Style Sheets (CSS) pseudo-classes.
Scope: local
sid: resolved (fixed in 47.0-1)
debian
CVE-2020-35111P4MEDIUMCVSS 4.3fixed in firefox 84.0-1 (sid)2020
CVE-2020-35111 [MEDIUM] CVE-2020-35111: firefox - When an extension with the proxy permission registered to receive <all_urls>, th...
When an extension with the proxy permission registered to receive , the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
Scope: local
sid: r
debian
CVE-2016-2820P4MEDIUMCVSS 4.3fixed in firefox 46.0-1 (sid)2016
CVE-2016-2820 [MEDIUM] CVE-2016-2820: firefox - The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Fi...
The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.
Scope: local
sid: resolved (fixed in 46.0-1)
debian
CVE-2024-1548P4MEDIUMCVSS 4.3fixed in firefox 123.0-1 (sid)2024
CVE-2024-1548 [MEDIUM] CVE-2024-1548: firefox - A website could have obscured the fullscreen notification by using a dropdown se...
A website could have obscured the fullscreen notification by using a dropdown select input element. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.
Scope: local
sid: resolved (fixed in 123.0-1)
debian