CVE-2017-6420
5.5
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
The wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.
How to fix CVE-2017-6420
To remediate CVE-2017-6420, upgrade the affected package to a fixed version below.
- Debian/clamav—upgrade to 0.99.3~beta1+dfsg-1 or later
Is CVE-2017-6420 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.99.3~beta1+dfsg-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |