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A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications (ARIA) elements within containers through the DOM. This results in a potentially exploitable crash. This vulnerability...
2 affected packages
firefox, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| thunderbird | — | — | — | — | Fixed |
File downloads encoded with "blob:" and "data:" URL elements bypassed normal file download checks though the Phishing and Malware Protection feature and its block lists of suspicious sites and files. This would allow malicious...
2 affected packages
firefox, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 36 of 44
Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This...
4 affected packages
firefox, mozjs38, mozjs52, 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 | Fixed |
| thunderbird | — | Fixed | Fixed | Fixed | Fixed |
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR <...
2 affected packages
firefox, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| thunderbird | — | — | — | — | Fixed |
During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for later messages but in some cases, the handshake transcript can exceed the space available in the current buffer,...
3 affected packages
firefox, nss, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| nss | — | — | — | — | Fixed |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 14 of 16
A use-after-free vulnerability can occur when an editor DOM node is deleted prematurely during tree traversal while still bound to the document. This results in a potentially exploitable crash. This vulnerability...
3 affected packages
firefox, mozjs38, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| mozjs38 | — | — | — | — | Not affected |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 14 of 16
A mechanism that uses AppCache to hijack a URL in a domain using fallback by serving the files from a sub-path on the domain. This has been addressed by requiring fallback files be inside the manifest directory. This vulnerability...
3 affected packages
firefox, mozjs38, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| mozjs38 | — | — | — | — | Not affected |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 14 of 16
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3,...
3 affected packages
firefox, mozjs38, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| mozjs38 | — | — | — | — | Not affected |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 14 of 16
A use-after-free vulnerability can occur when manipulating the DOM during the resize event of an image element. If these elements have been freed due to a lack of strong references, a potentially exploitable crash may occur when...
3 affected packages
firefox, mozjs38, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| mozjs38 | — | — | — | — | Not affected |
| thunderbird | — | — | — | — | Fixed |
Some fixes available 14 of 16
A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where the updated style object is freed while still in use. This results in a potentially exploitable crash. This...
3 affected packages
firefox, mozjs38, thunderbird
| Package | 26.04 LTS | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|---|
| firefox | — | — | — | — | Fixed |
| mozjs38 | — | — | — | — | Not affected |
| thunderbird | — | — | — | — | Fixed |