CVE-2024-6603
7.4
HIGH
CVSS 3.1
EPSS 0.34%
Description
In an out-of-memory scenario an allocation could fail but free would have been called on the pointer afterwards leading to memory corruption. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
How to fix CVE-2024-6603
To remediate CVE-2024-6603, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 115.13.0esr-1~deb11u1 or later
- —upgrade to 1:115.13.0-1~deb11u1 or later
Is CVE-2024-6603 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 115.13.0esr-1~deb11u1
- from 0, < 1:115.13.0-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |