CVE-2013-0176
MEDIUM · CVSS 4.3EPSS 3.0%EU EUVD
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched during negotiations, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a "Client: Diffie-Hellman Key Exchange Init" packet.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 3.0% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-0214)
- Published
- February 5, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-0214 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- libssh / libssh
- libssh / libssh
- libssh / libssh
- libssh / libssh
- libssh / libssh
- libssh / libssh
- libssh / libssh
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html
- http://secunia.com/advisories/51982(Vendor Advisory)
- http://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/(Patch, Vendor Advisory)
- http://www.ubuntu.com/usn/USN-1707-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81595
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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