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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
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There are 1,521 matching records.
Displaying matches 101 through 120.
Vuln ID Summary CVSS Severity
CVE-2020-26960

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-26959

During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-26958

Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 6.1 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26957

OneCRL was non-functional in the new Firefox for Android due to a missing service initialization. This could result in a failure to enforce some certificate revocations. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26956

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 6.1 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26955

When a user downloaded a file in Firefox for Android, if a cookie is set, it would have been re-sent during a subsequent file download operation on the same domain, regardless of whether the original and subsequent request were in private and non-private browsing modes. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26954

When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be used to gain fullscreen access for UI spoofing and could also lead to cross-origin attacks on targeted websites. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 4.3 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26953

It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 4.3 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26952

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-26951

A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 6.1 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26950

In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.

Published: December 08, 2020; 8:15:12 PM -0500
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-6829

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; which leaked partial information about the nonce used during signature generation. Given an electro-magnetic trace of a few signature generations, the private key could have been computed. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Published: October 28, 2020; 8:15:12 AM -0400
V3.1: 5.3 MEDIUM
V2.0: 5.0 MEDIUM
CVE-2020-15684

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.

Published: October 22, 2020; 5:15:13 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2020-15683

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. 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 ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.

Published: October 22, 2020; 5:15:13 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2020-15682

When a link to an external protocol was clicked, a prompt was presented that allowed the user to choose what application to open it in. An attacker could induce that prompt to be associated with an origin they didn't control, resulting in a spoofing attack. This was fixed by changing external protocol prompts to be tab-modal while also ensuring they could not be incorrectly associated with a different origin. This vulnerability affects Firefox < 82.

Published: October 22, 2020; 5:15:13 PM -0400
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-15681

When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.

Published: October 22, 2020; 5:15:13 PM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2020-15680

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.

Published: October 22, 2020; 5:15:13 PM -0400
V3.1: 5.3 MEDIUM
V2.0: 5.0 MEDIUM
CVE-2020-12401

During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Published: October 08, 2020; 10:15:11 AM -0400
V3.1: 4.7 MEDIUM
V2.0: 1.9 LOW
CVE-2020-12400

When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.

Published: October 08, 2020; 10:15:11 AM -0400
V3.1: 4.7 MEDIUM
V2.0: 1.2 LOW
CVE-2020-15678

When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.

Published: October 01, 2020; 3:15:13 PM -0400
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM