CVE-2016-2109
7.5
HIGH
CVSS 3.1
EPSS 57.9%
Description
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory consumption) via a short invalid encoding.
How to fix CVE-2016-2109
To remediate CVE-2016-2109, upgrade the affected package to a fixed version below.
- Alpine/openssl—upgrade to 1.0.2h-r0 or later
- Debian/openssl—upgrade to 1.0.2h-1 or later
Is CVE-2016-2109 being exploited?
Likely — EPSS is 57.9%, placing CVE-2016-2109 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 1.0.2h-r0
- from 0, < 1.0.2h-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |