CVE-2023-5728
7.5
HIGH
CVSS 3.1
EPSS 0.53%
Description
During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
How to fix CVE-2023-5728
To remediate CVE-2023-5728, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 115.4.0esr-1~deb11u1 or later
- —upgrade to 1:115.4.1-1~deb11u1 or later
Is CVE-2023-5728 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 115.4.0esr-1~deb11u1
- from 0, < 1:115.4.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |