CVE-2021-33797
9.8
CRITICAL
CVSS 3.1
EPSS 0.39%
Description
Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.
How to fix CVE-2021-33797
To remediate CVE-2021-33797, upgrade the affected package to a fixed version below.
- Debian/mujs—upgrade to 1.1.0-1+deb11u3 or later
Is CVE-2021-33797 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.1.0-1+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |