Mozilla Firefox vulnerabilities

CVE-2011-3671 [HIGH] CWE-399 CVE-2011-3671: Use-after-free vulnerability in the nsHTMLSelectElement function in nsHTMLSelectElement.cpp in Mozil Use-after-free vulnerability in the nsHTMLSelectElement function in nsHTMLSelectElement.cpp in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6 allows remote attackers to execute arbitrary code via vectors involving removal of the parent node of an element.

CVE-2016-9065 [HIGH] CWE-20 CVE-2016-9065: The location bar in Firefox for Android can be spoofed by forcing a user into fullscreen mode, block The location bar in Firefox for Android can be spoofed by forcing a user into fullscreen mode, blocking its exiting, and creating of a fake location bar without any user notification. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50.

CVE-2016-5289 [CRITICAL] CWE-119 CVE-2016-5289: Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corrupt Memory safety bugs were reported in Firefox 49. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 50.

CVE-2009-1833 [CRITICAL] CWE-94 CVE-2009-1833: The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey b The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c

CVE-2017-7790 [HIGH] CVE-2017-7790: On Windows systems, if non-null-terminated strings are copied into the crash reporter for some speci On Windows systems, if non-null-terminated strings are copied into the crash reporter for some specific registry keys, stack memory data can be copied until a null is found. This can potentially contain private data from the local system. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affec

CVE-2017-5471 [CRITICAL] CWE-119 CVE-2017-5471: Memory safety bugs were reported in Firefox 53. Some of these bugs showed evidence of memory corrupt Memory safety bugs were reported in Firefox 53. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 54.

CVE-2017-5388 [HIGH] CWE-770 CVE-2017-5388: A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to A STUN server in conjunction with a large number of "webkitRTCPeerConnection" objects can be used to send large STUN packets in a short period of time due to a lack of rate limiting being applied on e10s systems, allowing for a denial of service attack. This vulnerability affects Firefox < 51.

CVE-2016-5299 [HIGH] CWE-275 CVE-2016-5299: A previously installed malicious Android application with same signature-level permissions as Firefo A previously installed malicious Android application with same signature-level permissions as Firefox can intercept AuthTokens meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50.

CVE-2016-9061 [HIGH] CWE-275 CVE-2016-9061: A previously installed malicious Android application which defines a specific signature-level permis A previously installed malicious Android application which defines a specific signature-level permissions used by Firefox can access API keys meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50.

CVE-2018-5157 [HIGH] CWE-200 CVE-2018-5157: Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept m Same-origin protections for the PDF viewer can be bypassed, allowing a malicious site to intercept messages meant for the viewer. This could allow the site to retrieve PDF files restricted to viewing by an authenticated user on a third-party website. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

CVE-2017-5374 [CRITICAL] CWE-119 CVE-2017-5374: Memory safety bugs were reported in Firefox 50.1. Some of these bugs showed evidence of memory corru Memory safety bugs were reported in Firefox 50.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 51.

CVE-2018-5135 [HIGH] CWE-862 CVE-2018-5135: WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScri WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.

CVE-2021-38498 [HIGH] CWE-416 CVE-2021-38498: During process shutdown, a document could have caused a use-after-free of a languages service object During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

CVE-2023-5728 [HIGH] CWE-416 CVE-2023-5728: During garbage collection extra operations were performed on a object that should not be. This could During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

CVE-2020-6826 [CRITICAL] CWE-787 CVE-2020-6826: Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. 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 < 75.

CVE-2020-15684 [CRITICAL] CWE-416 CVE-2020-15684: Mozilla developers reported memory safety bugs present in Firefox 81. Some of these bugs showed evid Mozilla developers reported memory safety bugs present in Firefox 81. 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 < 82.

CVE-2023-37203 [HIGH] CVE-2023-37203: Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have al Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed an attacker to trick end-users into creating a shortcut to local system files. This could have been leveraged to execute arbitrary code. This vulnerability affects Firefox < 115.

CVE-2026-6776 [HIGH] CWE-119 CVE-2026-6776: Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in F Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVE-2022-22737 [HIGH] CWE-362 CVE-2022-22737: Constructing audio sinks could have lead to a race condition when playing audio files and closing wi Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE-2024-1546 [HIGH] CWE-125 CVE-2024-1546: When storing and re-accessing data on a networking channel, the length of buffers may have been conf When storing and re-accessing data on a networking channel, the length of buffers may have been confused, resulting in an out-of-bounds memory read. This vulnerability affects Firefox < 123, Firefox ESR < 115.8, and Thunderbird < 115.8.