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firefox

Vendor: Mozilla • 3,269 CVEs

CVEs (3,269)

CVE
VENDORS
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CVSS
1Mozilla
2Firefox
Seamonkey
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, does not properly handle a right-to-left override (aka RLO or U+202E) Unicode character in a download filename, which allows remote attacker...Show more
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, does not properly handle a right-to-left override (aka RLO or U+202E) Unicode character in a download filename, which allows remote attackers to spoof file extensions via a crafted filename, as demonstrated by displaying a non-executable extension for an executable file.Show less
1Mozilla
1Firefox
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
content/html/document/src/nsHTMLDocument.cpp in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 allows user-assisted remote attackers to bypass the Same Origin Policy and read an arbitrary content selection vi...Show more
content/html/document/src/nsHTMLDocument.cpp in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 allows user-assisted remote attackers to bypass the Same Origin Policy and read an arbitrary content selection via the document.getSelection function.Show less
1Mozilla
1Firefox
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
7.5 HIGH· v2
The XPCVariant::VariantDataToJS function in the XPCOM implementation in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 does not enforce intended restrictions on interaction between chrome privileged code and...Show more
The XPCVariant::VariantDataToJS function in the XPCOM implementation in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 does not enforce intended restrictions on interaction between chrome privileged code and objects obtained from remote web sites, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via unspecified method calls, related to "doubly-wrapped objects."Show less
1Mozilla
2Firefox
Seamonkey
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Heap-based buffer overflow in the GIF image parser in Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via unspecified vectors.
1Mozilla
2Firefox
Seamonkey
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a crafted regular expression in a Proxy Auto-configuration (PAC) file.
1Mozilla
1Firefox
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursivel...Show more
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.Show less
1Mozilla
1Firefox
Apr 23, 2026
Oct 29, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 3.0.15, and 3.5.x before 3.5.4, allows remote attackers to read form history by forging mouse and keyboard events that leverage the auto-fill feature to populate form fields, in an attacker-readabl...Show more
Mozilla Firefox before 3.0.15, and 3.5.x before 3.5.4, allows remote attackers to read form history by forging mouse and keyboard events that leverage the auto-fill feature to populate form fields, in an attacker-readable form, with history entries.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 21, 2009
N/A· v4
N/A· v3
4.4 MEDIUM· v2
Mozilla Firefox 3.6a1, 3.5.3, 3.5.2, and earlier 3.5.x versions, and 3.0.14 and earlier 2.x and 3.x versions, on Linux uses a predictable /tmp pathname for files selected from the Downloads window, which allows local use...Show more
Mozilla Firefox 3.6a1, 3.5.3, 3.5.2, and earlier 3.5.x versions, and 3.0.14 and earlier 2.x and 3.x versions, on Linux uses a predictable /tmp pathname for files selected from the Downloads window, which allows local users to replace an arbitrary downloaded file by placing a file in a /tmp location before the download occurs, related to the Download Manager component. NOTE: some of these details are obtained from third party information.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 18, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox 3.0.1 and earlier allows remote attackers to cause a denial of service (browser hang) by calling the window.print function in a loop, aka a "printing DoS attack," possibly a related issue to CVE-2009-0821...Show more
Mozilla Firefox 3.0.1 and earlier allows remote attackers to cause a denial of service (browser hang) by calling the window.print function in a loop, aka a "printing DoS attack," possibly a related issue to CVE-2009-0821.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to execute arbitrary JavaScript with chrome privileges via vectors involving an object, the FeedWriter, and the...Show more
Unspecified vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to execute arbitrary JavaScript with chrome privileges via vectors involving an object, the FeedWriter, and the BrowserFeedWriter.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Visual truncation vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to trigger a vertical scroll and spoof URLs via unspecified Unicode characters with a tall line-height pro...Show more
Visual truncation vulnerability in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, allows remote attackers to trigger a vertical scroll and spoof URLs via unspecified Unicode characters with a tall line-height property.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, does not properly manage pointers for the columns (aka TreeColumns) of a XUL tree element, which allows remote attackers to execute arbitrary code via a crafted HTML...Show more
Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.3, does not properly manage pointers for the columns (aka TreeColumns) of a XUL tree element, which allows remote attackers to execute arbitrary code via a crafted HTML document, related to a "dangling pointer vulnerability."Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
9.3 HIGH· v2
Mozilla Firefox before 3.0.14 does not properly implement certain dialogs associated with the (1) pkcs11.addmodule and (2) pkcs11.deletemodule operations, which makes it easier for remote attackers to trick a user into i...Show more
Mozilla Firefox before 3.0.14 does not properly implement certain dialogs associated with the (1) pkcs11.addmodule and (2) pkcs11.deletemodule operations, which makes it easier for remote attackers to trick a user into installing or removing an arbitrary PKCS11 module.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 3.0.14 and 3.5.x before 3.5.2, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of...Show more
Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox before 3.0.14 and 3.5.x before 3.5.2, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to use of mutable strings in the js_StringReplaceHelper function in js/src/jsstr.cpp, and unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the JavaScript engine in Mozilla Firefox before 3.0.14 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via un...Show more
Unspecified vulnerability in the JavaScript engine in Mozilla Firefox before 3.0.14 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code v...Show more
Unspecified vulnerability in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14 and 3.5.x before 3.5.3, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of ser...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14 and 3.5.x before 3.5.3, Thunderbird before 2.0.0.24, and SeaMonkey before 1.1.19 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to the BinHex decoder in netwerk/streamconv/converters/nsBinHexDecoder.cpp, and unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.2, allow remote attackers to cause a denial of service (memory corruption and application crash) or possib...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14, and 3.5.x before 3.5.2, allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code...Show more
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.0.14 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less
1Mozilla
1Firefox
Apr 23, 2026
Sep 10, 2009
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via...Show more
Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.3 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.Show less