CVE-2023-6857
19.12.2023, 14:15
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.
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 121.0 |
| mozilla | firefox_esr | 𝑥 < 115.6 |
| mozilla | thunderbird | 𝑥 < 115.6 |
| debian | debian_linux | 10.0 |
| debian | debian_linux | 11.0 |
| debian | debian_linux | 12.0 |
𝑥
= Vulnerable software versions
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| firefox-esr |
| ||||||||||||
| thunderbird |
|
Ubuntu Releases
Ubuntu Product | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||||||
| mozjs102 |
| ||||||||||||||||
| mozjs38 |
| ||||||||||||||||
| mozjs52 |
| ||||||||||||||||
| mozjs68 |
| ||||||||||||||||
| mozjs78 |
| ||||||||||||||||
| mozjs91 |
| ||||||||||||||||
| thunderbird |
|
References