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CVE-2021-23969

Mozilla: Content Security Policy violation report could have contained the destination of a redirect

As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that’s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage." Under certain types of redirects, Firefox incorrectly set the source file to be the destination of the redirects. This was fixed to be the redirect destination's origin. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

CVSS 3.1 · 4.3 Medium EPSS 1.2% KEV · Not listed
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CVE-2021-23968

Mozilla: Content Security Policy violation report could have contained the destination of a redirect

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

CVSS 3.1 · 4.3 Medium EPSS 1.3% KEV · Not listed
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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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2021-23964

Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7

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.

CVSS 3.1 · 8.8 High EPSS 1.4% KEV · Not listed
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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.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2021-23961

Mozilla: More internal network hosts could have been probed by a malicious webpage

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.

CVSS 3.1 · 7.4 High EPSS 1.5% KEV · Not listed
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CVE-2021-23960

Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC

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.

CVSS 3.1 · 8.8 High EPSS 1.3% KEV · Not listed
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CVE-2021-23959

An XSS bug in internal error pages could have led to various spoofing attacks, including other error pages and the address bar. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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CVE-2021-23957

Navigations through the Android-specific `intent` URL scheme could have been misused to escape iframe sandbox. Note: This issue only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 85.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
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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.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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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.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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CVE-2021-23954

Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements

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.

CVSS 3.1 · 8.8 High EPSS 1.2% KEV · Not listed
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CVE-2021-23953

Mozilla: Cross-origin information leakage via redirected PDF requests

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.

CVSS 3.1 · 4.3 Medium EPSS 1.1% KEV · Not listed
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CVE-2021-23937

DNS proxy and possible amplification attack

A DNS proxy and possible amplification attack vulnerability in WebClientInfo of Apache Wicket allows an attacker to trigger arbitrary DNS lookups from the server when the X-Forwarded-For header is not properly sanitized. This DNS lookup can be engineered to overload an internal DNS server or to slow down request processing of the Apache Wicket application causing a possible denial of service on either the internal infrastructure or the web application itself. This issue affects Apache Wicket Apache Wicket 9.x version 9.2.0 and prior versions; Apache Wicket 8.x version 8.11.0 and prior versions; Apache Wicket 7.x version 7.17.0 and prior versions and Apache Wicket 6.x version 6.2.0 and later versions.

CVSS 3.1 · 7.5 High EPSS 4.3% KEV · Not listed
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