Mozilla Firefox vulnerabilities
3,703 known vulnerabilities affecting mozilla/firefox.
Total CVEs
3,703
CISA KEV
15
actively exploited
Public exploits
126
Exploited in wild
34
Severity breakdown
CRITICAL981HIGH1096MEDIUM1343LOW68UNKNOWN215
Vulnerabilities
Page 161 of 186
CVE-2026-100821P4MEDIUMCVSS 4.7fixed in 115.42.0≥ 116.0.0, < 140.17.0+2 more2026-09-29
CVE-2026-100821 [MEDIUM] CWE-346 CVE-2026-100821: Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox E
Site isolation issue in the Panning and Zooming component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.
nvdmozilla
CVE-2007-4038P4MEDIUMCVSS 4.3≤ 2.0.0.42007-07-27
CVE-2007-4038 [MEDIUM] CVE-2007-4038: Argument injection vulnerability in Mozilla Firefox before 2.0.0.5, when running on systems with Thu
Argument injection vulnerability in Mozilla Firefox before 2.0.0.5, when running on systems with Thunderbird 1.5 installed and certain URIs registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in a mailto URI, which are inserted into the command line that is created when invokin
nvd
CVE-2014-8632P4MEDIUMCVSS 4.3≤ 33.02014-12-11
CVE-2014-8632 [MEDIUM] CWE-284 CVE-2014-8632: The structured-clone implementation in Mozilla Firefox before 34.0 and SeaMonkey before 2.31 does no
The structured-clone implementation in Mozilla Firefox before 34.0 and SeaMonkey before 2.31 does not properly interact with XrayWrapper property filtering, which allows remote attackers to bypass intended DOM object restrictions by leveraging property availability after XrayWrapper removal.
nvd
CVE-2010-3182P4MEDIUMCVSS 6.9v3.6v3.6.2+90 more2010-10-21
CVE-2010-3182 [MEDIUM] CVE-2010-3182: A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunde
A certain application-launch script in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 on Linux places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.
nvd
CVE-2013-1673P4MEDIUMCVSS 6.9≤ 20.0.1v19.0+3 more2013-05-16
CVE-2013-1673 [MEDIUM] CWE-264 CVE-2013-1673: The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain Mozilla Mai
The Mozilla Updater in Mozilla Firefox before 21.0 on Windows does not properly maintain Mozilla Maintenance Service registry entries in certain situations involving upgrades from older Firefox versions, which allows local users to gain privileges by leveraging write access to a "trusted path."
nvd
CVE-2026-15718P4MEDIUMCVSS 4.3fixed in 152.0.62026-07-14
CVE-2026-15718 [MEDIUM] CWE-763 CVE-2026-15718: We are aware that exploit code for this is public however we are not aware of any attacks in the wil
We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13.
nvdmozilla
CVE-2007-0778P4MEDIUMCVSS 5.4≥ 1.5, < 1.5.0.10≥ 2.0, < 2.0.0.22007-02-26
CVE-2007-0778 [MEDIUM] CWE-200 CVE-2007-0778: The page cache feature in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey befo
The page cache feature in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8 can generate hash collisions that cause page data to be appended to the wrong page cache, which allows remote attackers to obtain sensitive information or enable further attack vectors when the target page is reloaded from the cache.
nvd
CVE-2006-1742P4MEDIUMCVSS 5.0≤ 1.0.7v1.0+7 more2006-04-14
CVE-2006-1742 [MEDIUM] CVE-2006-1742: The JavaScript engine in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozi
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.
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CVE-2014-1500P4MEDIUMCVSS 5.0fixed in 28.02014-03-19
CVE-2014-1500 [MEDIUM] CWE-400 CVE-2014-1500: Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of se
Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (resource consumption and application hang) via onbeforeunload events that trigger background JavaScript execution.
nvd
CVE-2024-3860P4MEDIUMCVSS 6.2fixed in 125.0≥ unspecified, < 1252024-04-16
CVE-2024-3860 [MEDIUM] CWE-401 CVE-2024-3860: An out-of-memory condition during object initialization could result in an empty shape list. If the
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.
nvdosv
CVE-2013-0794P4MEDIUMCVSS 5.8≤ 19.0.2v19.0+1 more2013-04-03
CVE-2013-0794 [MEDIUM] CVE-2013-0794: Mozilla Firefox before 20.0 and SeaMonkey before 2.17 do not prevent origin spoofing of tab-modal di
Mozilla Firefox before 20.0 and SeaMonkey before 2.17 do not prevent origin spoofing of tab-modal dialogs, which allows remote attackers to conduct phishing attacks via a crafted web site.
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CVE-2005-1160P4MEDIUMCVSS 5.1v0.8v0.9+8 more2005-05-02
CVE-2005-1160 [MEDIUM] CVE-2005-1160: The privileged "chrome" UI code in Firefox before 1.0.3 and Mozilla Suite before 1.7.7 allows remote
The privileged "chrome" UI code in Firefox before 1.0.3 and Mozilla Suite before 1.7.7 allows remote attackers to gain privileges by overriding certain properties or methods of DOM nodes, as demonstrated using multiple attacks involving the eval function or the Script object.
nvd
CVE-2014-8640P4MEDIUMCVSS 5.0≤ 34.0.52015-01-14
CVE-2014-8640 [MEDIUM] CWE-362 CVE-2014-8640: The mozilla::dom::AudioParamTimeline::AudioNodeInputValue function in the Web Audio API implementati
The mozilla::dom::AudioParamTimeline::AudioNodeInputValue function in the Web Audio API implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly restrict timeline operations, which allows remote attackers to cause a denial of service (uninitialized-memory read and application crash) via crafted API calls.
nvdosv
CVE-2014-1580P4MEDIUMCVSS 5.0≤ 32.0v30.0+2 more2014-10-15
CVE-2014-1580 [MEDIUM] CWE-200 CVE-2014-1580: Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote
Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.
nvdosv
CVE-2015-7195P4MEDIUMCVSS 5.0≤ 41.0.22015-11-05
CVE-2015-7195 [MEDIUM] CWE-200 CVE-2015-7195: The URL parsing implementation in Mozilla Firefox before 42.0 improperly recognizes escaped characte
The URL parsing implementation in Mozilla Firefox before 42.0 improperly recognizes escaped characters in hostnames within Location headers, which allows remote attackers to obtain sensitive information via vectors involving a redirect.
nvdosv
CVE-2014-8637P4MEDIUMCVSS 5.0≤ 34.0.52015-01-14
CVE-2014-8637 [MEDIUM] CWE-200 CVE-2014-8637: Mozilla Firefox before 35.0 and SeaMonkey before 2.32 do not properly initialize memory for BMP imag
Mozilla Firefox before 35.0 and SeaMonkey before 2.32 do not properly initialize memory for BMP images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers the rendering of malformed BMP data within a CANVAS element.
nvdosv
CVE-2006-2784P4MEDIUMCVSS 5.1≤ 1.5.0.32006-06-02
CVE-2006-2784 [MEDIUM] CWE-264 CVE-2006-2784: The PLUGINSPAGE functionality in Mozilla Firefox before 1.5.0.4 allows remote user-assisted attacker
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 th
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CVE-2009-2470P4MEDIUMCVSS 5.0≤ 3.5.1v0.1+92 more2009-08-04
CVE-2009-2470 [MEDIUM] CWE-20 CVE-2009-2470: Mozilla Firefox before 3.0.12, and 3.5.x before 3.5.2, allows remote SOCKS5 proxy servers to cause a
Mozilla Firefox before 3.0.12, and 3.5.x before 3.5.2, allows remote SOCKS5 proxy servers to cause a denial of service (data stream corruption) via a long domain name in a reply.
nvd
CVE-2006-3810P4MEDIUMCVSS 6.8v1.5v1.5.0.1+3 more2006-07-27
CVE-2006-3810 [MEDIUM] CVE-2006-3810: Cross-site scripting (XSS) vulnerability in Mozilla Firefox 1.5 before 1.5.0.5, Thunderbird before 1
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.
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CVE-2011-4688P4MEDIUMCVSS 5.0≤ 8.0.1v8.02011-12-07
CVE-2011-4688 [MEDIUM] CWE-264 CVE-2011-4688: Mozilla Firefox 8.0.1 and earlier does not prevent capture of data about the times of Same Origin Po
Mozilla Firefox 8.0.1 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.
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