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  • CPE Product Version: cpe:/a:mozilla:thunderbird:3.0:rc2
There are 704 matching records.
Displaying matches 1 through 20.
Vuln ID Summary CVSS Severity
CVE-2020-12421

When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Published: July 09, 2020; 11:15:12 AM -0400
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-12420

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Published: July 09, 2020; 11:15:11 AM -0400
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-12419

When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Published: July 09, 2020; 11:15:11 AM -0400
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-12418

Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Published: July 09, 2020; 11:15:11 AM -0400
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-12417

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. *Note: this issue only affects Firefox on ARM64 platforms.* This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Published: July 09, 2020; 11:15:11 AM -0400
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-12406

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Published: July 09, 2020; 11:15:11 AM -0400
V3.1: 8.8 HIGH
V2.0: 9.3 HIGH
CVE-2020-12405

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Published: July 09, 2020; 11:15:10 AM -0400
V3.1: 5.3 MEDIUM
V2.0: 2.6 LOW
CVE-2020-12399

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Published: July 09, 2020; 11:15:10 AM -0400
V3.1: 6.5 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-12398

If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.

Published: July 09, 2020; 11:15:10 AM -0400
V3.1: 7.5 HIGH
V2.0: 4.3 MEDIUM
CVE-2018-12371

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR < 60.1, Thunderbird < 60, and Firefox < 61.

Published: July 09, 2020; 10:15:10 AM -0400
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-6831

A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published: May 26, 2020; 2:15:11 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2020-12392

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published: May 26, 2020; 2:15:11 PM -0400
V3.1: 5.5 MEDIUM
V2.0: 2.1 LOW
CVE-2020-12387

A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published: May 26, 2020; 2:15:10 PM -0400
V3.1: 8.1 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-12395

Mozilla developers and community members reported memory safety bugs present in Firefox 75 and Firefox ESR 68.7. 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 ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published: May 26, 2020; 1:15:10 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 10.0 HIGH
CVE-2020-12393

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP method of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in command injection and arbitrary command execution. *Note: this issue only affects Firefox on Windows operating systems.*. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

Published: May 26, 2020; 1:15:10 PM -0400
V3.1: 7.8 HIGH
V2.0: 4.6 MEDIUM
CVE-2020-12397

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Published: May 22, 2020; 3:15:15 PM -0400
V3.1: 4.3 MEDIUM
V2.0: 4.3 MEDIUM
CVE-2020-6825

Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Published: April 24, 2020; 12:15:13 PM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH
CVE-2020-6822

On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>. It is possible that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Published: April 24, 2020; 12:15:13 PM -0400
V3.1: 8.8 HIGH
V2.0: 6.8 MEDIUM
CVE-2020-6821

When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Published: April 24, 2020; 12:15:13 PM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2020-6820

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

Published: April 24, 2020; 12:15:13 PM -0400
V3.1: 8.1 HIGH
V2.0: 6.8 MEDIUM