CVE-2021-20308
9.8
CRITICAL
CVSS 3.1
EPSS 0.39%
Description
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
How to fix CVE-2021-20308
To remediate CVE-2021-20308, upgrade the affected package to a fixed version below.
- Debian/htmldoc—upgrade to 1.9.11-3 or later
Is CVE-2021-20308 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.9.11-3
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 |