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CVE-2025-3523
Medium priorityWhen an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the...
1 affected package
thunderbird
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| thunderbird | Needs evaluation | Needs evaluation | Needs evaluation | — | — |
CVE-2025-3522
Medium priorityThunderbird processes the X-Mozilla-External-Attachment-URL header to handle attachments which can be hosted externally. When an email is opened, Thunderbird accesses the specified URL to determine file size, and navigates to it...
1 affected package
thunderbird
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| thunderbird | Needs evaluation | Needs evaluation | Needs evaluation | — | — |
CVE-2025-2830
Medium priorityBy crafting a malformed file name for an attachment in a multipart message, an attacker can trick Thunderbird into including a directory listing of /tmp when the message is forwarded or edited as a new message. This vulnerability...
1 affected package
thunderbird
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| thunderbird | Needs evaluation | Needs evaluation | Needs evaluation | — | — |
CVE-2025-3608
Medium priorityA race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability affects Firefox < 137.0.2.
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3035
Medium priorityBy first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability affects Firefox < 137.
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3034
Medium priorityMemory safety bugs present in Firefox 136 and Thunderbird 136. 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...
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3033
Medium priorityAfter selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects...
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3032
Medium priorityLeaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox < 137 and Thunderbird < 137.
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3031
Medium priorityAn attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability affects Firefox < 137 and Thunderbird < 137.
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |
CVE-2025-3030
Medium priorityMemory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been...
9 affected packages
firefox, mozjs102, mozjs115, mozjs38, mozjs52...
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS | 16.04 LTS |
|---|---|---|---|---|---|
| firefox | Not affected | Not affected | Vulnerable | — | — |
| mozjs102 | Ignored | Ignored | Not in release | — | — |
| mozjs115 | Ignored | Not in release | Not in release | — | — |
| mozjs38 | Not in release | Not in release | Not in release | Needs evaluation | — |
| mozjs52 | Not in release | Not in release | Ignored | Ignored | — |
| mozjs68 | Not in release | Not in release | Ignored | — | — |
| mozjs78 | Not in release | Ignored | Not in release | — | — |
| mozjs91 | Not in release | Ignored | Not in release | — | — |
| thunderbird | Not affected | Vulnerable | Vulnerable | — | — |