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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2021-23983 |
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87. Published: March 31, 2021; 10:15:19 AM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23982 |
Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. Published: March 31, 2021; 10:15:19 AM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23981 |
A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9. Published: March 31, 2021; 10:15:18 AM -0400 |
V4.0:(not available) V3.1: 8.1 HIGH V2.0: 5.8 MEDIUM |
CVE-2021-23979 |
Mozilla developers reported memory safety bugs present in Firefox 85. 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 < 86. Published: February 26, 2021; 11:15:12 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23978 |
Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8. Published: February 26, 2021; 11:15:12 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23965 |
Mozilla developers reported memory safety bugs present in Firefox 84. 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 < 85. Published: February 26, 2021; 11:15:12 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23964 |
Mozilla developers reported memory safety bugs present in Firefox 84 and Firefox ESR 78.6. 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 < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Published: February 26, 2021; 11:15:12 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23963 |
When sharing geolocation during an active WebRTC share, Firefox could have reset the webRTC sharing state in the user interface, leading to loss of control over the currently granted permission. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:14 PM -0500 |
V4.0:(not available) V3.1: 4.3 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23962 |
Incorrect use of the '<RowCountChanged>' method could have led to a user-after-poison and a potentially exploitable crash. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:14 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23961 |
Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 7.4 HIGH V2.0: 4.3 MEDIUM |
CVE-2021-23960 |
Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23958 |
The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23956 |
An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23955 |
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.1 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23954 |
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |
CVE-2021-23953 |
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7. Published: February 25, 2021; 10:15:13 PM -0500 |
V4.0:(not available) V3.1: 4.3 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23975 |
The developer page about:memory has a Measure function for exploring what object types the browser has allocated and their sizes. When this function was invoked we incorrectly called the sizeof function, instead of using the API method that checks for invalid pointers. This vulnerability affects Firefox < 86. Published: February 25, 2021; 9:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23974 |
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86. Published: February 25, 2021; 9:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.1 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23973 |
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8. Published: February 25, 2021; 9:15:13 PM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0: 4.3 MEDIUM |
CVE-2021-23972 |
One phishing tactic on the web is to provide a link with HTTP Auth. For example 'https://www.phishingtarget.com@evil.com'. To mitigate this type of attack, Firefox will display a warning dialog; however, this warning dialog would not have been displayed if evil.com used a redirect that was cached by the browser. This vulnerability affects Firefox < 86. Published: February 25, 2021; 9:15:13 PM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0: 6.8 MEDIUM |