CVE-2024-3857
7.8
HIGH
CVSS 3.1
EPSS 0.15%
Description
The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free crashes during garbage collection. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
How to fix CVE-2024-3857
To remediate CVE-2024-3857, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 115.10.0esr-1~deb11u1 or later
- —upgrade to 1:115.10.1-1~deb11u1 or later
Is CVE-2024-3857 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 115.10.0esr-1~deb11u1
- from 0, < 1:115.10.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |