VDB
DEBIAN-CVE-2023-6857
DEBIAN-CVE-2023-6857
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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.
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | firefox-esr | 0 |
| Debian:14 | thunderbird | 0 |
| Debian:14 | firefox-esr | 0 |
| Debian:13 | thunderbird | 0 |
| Debian:12 | firefox-esr | 102.12.0esr-1~deb10u1, 102.12.0esr-1~deb11u1, 102.12.0esr-1~deb12u1 |
| Debian:12 | thunderbird | 1:115.3.1-1~deb12u1, 1:115.4.1-1, 1:115.4.1-1~deb10u1 |
Timeline
- Dec 19, 2023 CVE Published
- Oct 26, 2026 CVE Updated