Mozilla Firefox vulnerabilities
3,233 known vulnerabilities affecting mozilla/firefox.
Total CVEs
3,233
CISA KEV
15
actively exploited
Public exploits
126
Exploited in wild
34
Severity breakdown
CRITICAL914HIGH970MEDIUM1277LOW69UNKNOWN3
Vulnerabilities
Page 139 of 162
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-2006-6585P4MEDIUMCVSS 6.4v2.0v3.02006-12-15
CVE-2006-6585 [MEDIUM] CVE-2006-6585: The Extensions manager in Mozilla Firefox 2.0 does not properly populate the list of local extension
The Extensions manager in Mozilla Firefox 2.0 does not properly populate the list of local extensions, which allows attackers to construct an extension that hides itself by finding its name in the list and then calling RemoveElement, as demonstrated by the FFsniFF extension. NOTE: it was later reported that 3.0 is also affected.
nvd
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.
nvd
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-2008-5501P4MEDIUMCVSS 5.0≥ 2.0, < 2.0.0.19≥ 3.0, < 3.0.52008-12-17
CVE-2008-5501 [MEDIUM] CVE-2008-5501: The layout engine in Mozilla Firefox 3.x before 3.0.5, Thunderbird 2.x before 2.0.0.19, and SeaMonke
The layout engine in Mozilla Firefox 3.x before 3.0.5, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allows remote attackers to cause a denial of service via vectors that trigger an assertion failure.
nvd
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.
nvd
CVE-2015-7218P4MEDIUMCVSS 5.0≤ 42.02015-12-16
CVE-2015-7218 [MEDIUM] CWE-189 CVE-2015-7218: The HTTP/2 implementation in Mozilla Firefox before 43.0 allows remote attackers to cause a denial o
The HTTP/2 implementation in Mozilla Firefox before 43.0 allows remote attackers to cause a denial of service (integer underflow, assertion failure, and application exit) via a single-byte header frame that triggers incorrect memory allocation.
nvdosv
CVE-2006-6503P4MEDIUMCVSS 6.8≥ 1.5, < 1.5.0.9≥ 2.0, < 2.0.0.12006-12-20
CVE-2006-6503 [MEDIUM] CWE-254 CVE-2006-6503: 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
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.
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-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.
nvd
CVE-2012-0473P4MEDIUMCVSS 5.0v4.0v4.0.1+16 more2012-04-25
CVE-2012-0473 [MEDIUM] CWE-189 CVE-2012-0473: The WebGLBuffer::FindMaxUshortElement function in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x
The WebGLBuffer::FindMaxUshortElement function in Mozilla Firefox 4.x through 11.0, Firefox ESR 10.x before 10.0.4, Thunderbird 5.0 through 11.0, Thunderbird ESR 10.x before 10.0.4, and SeaMonkey before 2.9 calls the FindMaxElementInSubArray function with incorrect template arguments, which allows remote attackers to obtain sensitive information from
nvd
CVE-2006-6502P4HIGHCVSS 7.1v1.5v1.5.0.1+8 more2006-12-20
CVE-2006-6502 [HIGH] CVE-2006-6502: Use-after-free vulnerability in the LiveConnect bridge code for Mozilla Firefox 2.x before 2.0.0.1,
Use-after-free vulnerability in the LiveConnect bridge code for 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 cause a denial of service (crash) via unknown vectors.
nvd
CVE-2009-0357P4MEDIUMCVSS 5.0≤ 3.0.5v0.1+61 more2009-02-04
CVE-2009-0357 [MEDIUM] CWE-264 CVE-2009-0357: Mozilla Firefox before 3.0.6 and SeaMonkey before 1.1.15 do not properly restrict access from web pa
Mozilla Firefox before 3.0.6 and SeaMonkey before 1.1.15 do not properly restrict access from web pages to the (1) Set-Cookie and (2) Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism.
nvd
CVE-2022-36314P4MEDIUMCVSS 5.5fixed in 103.0≥ unspecified, < 1032022-12-22
CVE-2022-36314 [MEDIUM] CWE-427 CVE-2022-36314: When opening a Windows shortcut from the local filesystem, an attacker could supply a remote path th
When opening a Windows shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system.This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 102.1, Firefox < 103, and Thunderbird < 102.1.
nvd
CVE-2012-4201P4MEDIUMCVSS 4.3fixed in 17.0≥ 10.0, < 10.0.112012-11-21
CVE-2012-4201 [MEDIUM] CWE-79 CVE-2012-4201: The evalInSandbox implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Th
The evalInSandbox implementation in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 uses an incorrect context during the handling of JavaScript code that sets the location.href property, which allows remote attackers to conduct cross-site scripting (XS
nvd
CVE-2015-7190P4MEDIUMCVSS 5.0≤ 41.0.22015-11-05
CVE-2015-7190 [MEDIUM] CWE-200 CVE-2015-7190: The Search feature in Mozilla Firefox before 42.0 on Android through 4.4 supports search-engine URL
The Search feature in Mozilla Firefox before 42.0 on Android through 4.4 supports search-engine URL registration through an intent and can access this URL in a privileged context in conjunction with the crash reporter, which allows attackers to read log files and visit file: URLs of HTML documents via a crafted application.
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