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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:mozilla:thunderbird:78.3:*:*:*:*:*:*:*
There are 46 matching records.
Displaying matches 21 through 40.
Vuln ID Summary CVSS Severity
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-2020-26966

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-2020-26961

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
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-2020-26953

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-2020-26951

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-2020-15683

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-2009-4630

Mozilla Necko, as used in Firefox, SeaMonkey, and other applications, performs DNS prefetching of domain names contained in links within local HTML documents, which makes it easier for remote attackers to determine the network location of the application's user by logging DNS requests. NOTE: the vendor disputes the significance of this issue, stating "I don't think we necessarily need to worry about that case."

Published: January 29, 2010; 1:30:00 PM -0500
V3.x:(not available)
V2.0: 5.0 MEDIUM
CVE-2009-3984

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an http URL or a file URL by setting document.location to an https URL corresponding to a site that responds with a No Content (aka 204) status code and an empty body.

Published: December 17, 2009; 12:30:00 PM -0500
V3.x:(not available)
V2.0: 6.8 MEDIUM
CVE-2009-3983

Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to send authenticated requests to arbitrary applications by replaying the NTLM credentials of a browser user.

Published: December 17, 2009; 12:30:00 PM -0500
V3.x:(not available)
V2.0: 6.8 MEDIUM
CVE-2009-3982

Multiple unspecified vulnerabilities in the JavaScript engine in Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Published: December 17, 2009; 12:30:00 PM -0500
V3.x:(not available)
V2.0: 9.3 HIGH
CVE-2009-3981

Unspecified vulnerability in the browser engine in Mozilla Firefox before 3.0.16, SeaMonkey before 2.0.1, and Thunderbird allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Published: December 17, 2009; 12:30:00 PM -0500
V3.x:(not available)
V2.0: 9.3 HIGH
CVE-2009-3980

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.5.x before 3.5.6, SeaMonkey before 2.0.1, and Thunderbird allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Published: December 17, 2009; 12:30:00 PM -0500
V3.x:(not available)
V2.0: 9.3 HIGH
CVE-2009-2404

Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert_TestHostName function.

Published: August 03, 2009; 10:30:00 AM -0400
V3.x:(not available)
V2.0: 9.3 HIGH
CVE-2009-1840

Mozilla Firefox before 3.0.11, Thunderbird, and SeaMonkey do not check content policy before loading a script file into a XUL document, which allows remote attackers to bypass intended access restrictions via a crafted HTML document, as demonstrated by a "web bug" in an e-mail message, or web script or an advertisement in a web page.

Published: June 12, 2009; 5:30:00 PM -0400
V3.x:(not available)
V2.0: 9.3 HIGH