CVE-2017-8911
tnef - security update
9.8
CRITICAL
CVSS 3.1
EPSS 1.9%
Description
An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.
How to fix CVE-2017-8911
To remediate CVE-2017-8911, upgrade the affected package to a fixed version below.
- Debian/tnef—upgrade to 1.4.12-1.2 or later
- Debian/tnef—upgrade to 1.4.9-1+deb7u3 or later
- —upgrade to 1.4.9-1+deb8u3 or later
Is CVE-2017-8911 being exploited?
Low — EPSS is 1.9%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.4.12-1.2
- from 0, < 1.4.9-1+deb7u3
- from 0, < 1.4.9-1+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |