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Vuln ID | Summary | CVSS Severity |
---|---|---|
CVE-2023-6859 |
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Published: December 19, 2023; 9:15:07 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6858 |
Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Published: December 19, 2023; 9:15:07 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6857 |
When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS). Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Published: December 19, 2023; 9:15:07 AM -0500 |
V4.0:(not available) V3.1: 5.3 MEDIUM V2.0:(not available) |
CVE-2023-6856 |
The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Published: December 19, 2023; 9:15:07 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6135 |
Multiple NSS NIST curves were susceptible to a side-channel attack known as "Minerva". This attack could potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121. Published: December 19, 2023; 9:15:07 AM -0500 |
V4.0:(not available) V3.1: 4.3 MEDIUM V2.0:(not available) |
CVE-2023-6213 |
Memory safety bugs present in Firefox 119. 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 < 120. Published: November 21, 2023; 10:15:08 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6212 |
Memory safety bugs present in Firefox 119, Firefox ESR 115.4, and Thunderbird 115.4. 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 < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:08 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6211 |
If an attacker needed a user to load an insecure http: page and knew that user had enabled HTTPS-only mode, the attacker could have tricked the user into clicking to grant an HTTPS-only exception if they could get the user to participate in a clicking game. This vulnerability affects Firefox < 120. Published: November 21, 2023; 10:15:08 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-6210 |
When an https: web page created a pop-up from a "javascript:" URL, that pop-up was incorrectly allowed to load blockable content such as iframes from insecure http: URLs This vulnerability affects Firefox < 120. Published: November 21, 2023; 10:15:08 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-6209 |
Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-6208 |
When using X11, text selected by the page using the Selection API was erroneously copied into the primary selection, a temporary storage not unlike the clipboard. *This bug only affects Firefox on X11. Other systems are unaffected.* This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6207 |
Ownership mismanagement led to a use-after-free in ReadableByteStreams This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 8.8 HIGH V2.0:(not available) |
CVE-2023-6206 |
The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 5.4 MEDIUM V2.0:(not available) |
CVE-2023-6205 |
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-6204 |
On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5. Published: November 21, 2023; 10:15:07 AM -0500 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-5732 |
An attacker could have created a malicious link using bidirectional characters to spoof the location in the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Published: October 25, 2023; 2:17:44 PM -0400 |
V4.0:(not available) V3.1: 6.5 MEDIUM V2.0:(not available) |
CVE-2023-5731 |
Memory safety bugs present in Firefox 118. 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 < 119. Published: October 25, 2023; 2:17:44 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2023-5730 |
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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 < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Published: October 25, 2023; 2:17:44 PM -0400 |
V4.0:(not available) V3.1: 9.8 CRITICAL V2.0:(not available) |
CVE-2023-5729 |
A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119. Published: October 25, 2023; 2:17:44 PM -0400 |
V4.0:(not available) V3.1: 4.3 MEDIUM V2.0:(not available) |
CVE-2023-5728 |
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1. Published: October 25, 2023; 2:17:44 PM -0400 |
V4.0:(not available) V3.1: 7.5 HIGH V2.0:(not available) |