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  • CPE Product Version: cpe:/a:mozilla:firefox:2.0.0.7
There are 1,648 matching records.
Displaying matches 41 through 60.
Vuln ID Summary CVSS Severity
CVE-2020-26978

Using techniques that built on the slipstream research, 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 < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Published: January 07, 2021; 9:15:12 AM -0500
V3.1: 6.1 MEDIUM
V2.0: 5.8 MEDIUM
CVE-2020-26977

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Published: January 07, 2021; 9:15:12 AM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26976

When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox < 84.

Published: January 07, 2021; 9:15:12 AM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26975

When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Published: January 07, 2021; 9:15:12 AM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26974

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Published: January 07, 2021; 9:15:12 AM -0500
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-26973

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Published: January 07, 2021; 9:15:11 AM -0500
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-26972

The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.

Published: January 07, 2021; 9:15:11 AM -0500
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2020-26971

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Published: January 07, 2021; 9:15:11 AM -0500
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-26969

Mozilla developers reported memory safety bugs present in Firefox 82. 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 < 83.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-26968

Mozilla developers reported memory safety bugs present in Firefox 82 and Firefox ESR 78.4. 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 < 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-2020-26967

When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. 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-2020-26966

Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26965

Some websites have a feature "Show Password" where clicking a button will change a password field into a textbook field, revealing the typed password. If, when using a software keyboard that remembers user input, a user typed their password and used that feature, the type of the password field was changed, resulting in a keyboard layout change and the possibility for the software keyboard to remember the typed password. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26964

If the Remote Debugging via USB feature was enabled in Firefox for Android on an Android version prior to Android 6.0, untrusted apps could have connected to the feature and operated with the privileges of the browser to read and interact with web content. The feature was implemented as a unix domain socket, protected by the Android SELinux policy; however, SELinux was not enforced for versions prior to 6.0. This was fixed by removing the Remote Debugging via USB feature from affected devices. *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: 6.8 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2020-26963

Repeated calls to the history and location interfaces could have been used to hang the browser. This was addressed by introducing rate-limiting to these API calls. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 4.3 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26962

Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83.

Published: December 08, 2020; 8:15:13 PM -0500
V3.1: 6.1 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-26961

When DNS over HTTPS is in use, it intentionally filters RFC1918 and related IP ranges from the responses as these do not make sense coming from a DoH resolver. However when an IPv4 address was mapped through IPv6, these addresses were erroneously let through, leading to a potential DNS Rebinding attack. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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