The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime…
Priority LOW 29CWE-320Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it easier for remote attackers to obtain the shared secret.
Why it matters now
EPSS 0.02529 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dest-unreach:socat:1.7.3.0:*:*:*:*:*:*:* | 1.7.3.0 | Vulnerable | dest-unreach |
| cpe:2.3:a:dest-unreach:socat:2.0.0:b8:*:*:*:*:*:* | 2.0.0 b8 | Vulnerable | dest-unreach |
- cpe:2.3:a:dest-unreach:socat:1.7.3.0:*:*:*:*:*:*:* Versions 1.7.3.0 Vulnerable ·dest-unreach
- cpe:2.3:a:dest-unreach:socat:2.0.0:b8:*:*:*:*:*:* Versions 2.0.0 b8 Vulnerable ·dest-unreach
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 7
- Red Hat OpenShift Enterprise 2
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2217
- 2026-10-03 Alias added: GHSA-x8h2-j222-xxr3
References
More dest-unreach Socat vulnerabilities
- TI-2026-40502 socat 1.8.0.0 - 1.8.1.1 Heap Buffer Overflow via SOCKS5 Reply Parser CVSS 4.0CRITICAL 9.2
- TI-2015-01256 The signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote… CVSS 3.0HIGH 7.5
- TI-2010-02676 Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through… CVSS 2.0MEDIUM 6.8
- TI-2012-00212 Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat… CVSS 2.0MEDIUM 6.2
- TI-2013-03117 socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type… CVSS 2.0LOW 2.6
- TI-2014-00019 Stack-based buffer overflow in socat 1.3.0.0 through 1.7.2.2 and 2.0.0-b1 through… CVSS 2.0LOW 1.9
Sources
- CVE-2016-2217 · CVE Program
- CVE-2016-2217 · NVD
- FIRST EPSS
- GHSA-x8h2-j222-xxr3 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-2217 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences