vulnerability
Amazon Linux AMI 2: CVE-2023-6857: Security patch for firefox, thunderbird (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:N/I:C/A:N) | Dec 19, 2023 | Jan 10, 2024 | May 20, 2026 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:N/I:C/A:N)
Published
Dec 19, 2023
Added
Jan 10, 2024
Modified
May 20, 2026
Description
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.
Solutions
amazon-linux-ami-2-upgrade-firefoxamazon-linux-ami-2-upgrade-firefox-debuginfoamazon-linux-ami-2-upgrade-thunderbirdamazon-linux-ami-2-upgrade-thunderbird-debuginfo
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.