CVE-2016-4008
libtasn1-6 - security update
5.9
MEDIUM
CVSS 3.1
EPSS 4.3%
Description
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.
How to fix CVE-2016-4008
To remediate CVE-2016-4008, upgrade the affected package to a fixed version below.
- Debian/libtasn1-3—upgrade to 2.13-2+deb7u3 or later
- —upgrade to 4.8-1 or later
- —upgrade to 4.2-3+deb8u2 or later
Is CVE-2016-4008 being exploited?
Low — EPSS is 4.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.13-2+deb7u3
- from 0, < 4.8-1
- from 0, < 4.2-3+deb8u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |