CVE-2026-4729
EUVD-2026-1487324.03.2026, 13:16
Memory safety bugs present in Firefox 148 and Thunderbird 148. 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 was fixed in Firefox 149 and Thunderbird 149.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 149.0 |
| mozilla | thunderbird | 𝑥 < 149.0 |
𝑥
= Vulnerable software versions
Ubuntu Releases
Ubuntu Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| mozjs102 |
| ||||||||||||
| mozjs115 |
| ||||||||||||
| mozjs38 |
| ||||||||||||
| mozjs52 |
| ||||||||||||
| mozjs68 |
| ||||||||||||
| mozjs78 |
| ||||||||||||
| mozjs91 |
| ||||||||||||
| thunderbird |
|
Common Weakness Enumeration
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.
- CWE-825 - Expired Pointer DereferenceThe program dereferences a pointer that contains a location for memory that was previously valid, but is no longer valid.
References