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Some fixes available 21 of 27
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,...
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 21 of 27
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...
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 21 of 27
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.
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 21 of 27
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...
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 11 of 17
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.
5 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
Some fixes available 21 of 27
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...
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 23 of 29
Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
7 affected packages
chromium-browser, firefox, mozjs38, mozjs52, mozjs60...
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| chromium-browser | — | Not affected | Not affected | Not in release | Fixed |
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 21 of 27
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.
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
Some fixes available 11 of 17
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....
5 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
Some fixes available 21 of 27
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...
6 affected packages
firefox, mozjs38, mozjs52, mozjs60, mozjs68, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | Fixed | Fixed | Fixed | Fixed |
| mozjs38 | — | Not in release | Not in release | Not in release | Ignored |
| mozjs52 | — | Not in release | Not in release | Ignored | Ignored |
| mozjs60 | — | Not in release | Not in release | Not in release | Not in release |
| mozjs68 | — | Not in release | Not in release | Ignored | Not in release |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |