CVE-2013-0176
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-0176- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-0176- Updated
- 2026-11-02
EUVDEUVD-2013-0214 No score
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.
- Record
EUVD-2013-0214- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mwpj-rq8j-724c No score
The publickey_from_privatekey function in libssh before 0.5.4, when no algorithm is matched...
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.
- Record
GHSA-mwpj-rq8j-724c- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-0176- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-0176 No score
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.
- Record
DEBIAN-CVE-2013-0176- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10036-1 No score
libssh-devel-0.7.2-2.1 on GA media
These are all security issues fixed in the libssh-devel-0.7.2-2.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10036-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-0176 is a medium vulnerability (CVSS 4.3) in Libssh, published February 5, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.05%, the 87th percentile. Fixed in libssh 0.5.4-1.
References
lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html
exchange.xforce.ibmcloud.com/vulnerabilities/81595
secunia.com/advisories/51982
ubuntu.com/usn/USN-1707-1
libssh.org/2013/01/22/libssh-0-5-4-security-release
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nvd.nist.gov/vuln/detail/CVE-2013-0176
github.com/advisories/GHSA-mwpj-rq8j-724c
security-tracker.debian.org/tracker/CVE-2013-0176
suse.com/security/cve/CVE-2012-4559