CVE-2023-6857

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published Dec 19, 2023
Updated: Feb 2, 2024
CWE ID 362

Summary

CVE-2023-6857 is a vulnerability that affects Firefox on Unix-based operating systems (Android, Linux, MacOS). It does not impact Windows. The vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. The vulnerability occurs when resolving a symlink, leading to a race condition where the buffer passed to `readlink` may be smaller than necessary. The potential danger of this vulnerability is considered medium with a base severity score of 5.3 and an exploitability score of 1.6. It requires user interaction and has a high integrity impact but no confidentiality impact or availability impact.

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