CVE-2013-0176
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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.04% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 87.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-02-05 23:11Z13 YR AGO
- Last updated
- 2024-08-06 14:18Z2 YR AGO
- Reserved
- 2012-12-06
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- a690bf822af653726cd09f108f37aaa215a9501cd8409f49fa669b5700c41d31
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2013-1407http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098094.html
- exchange.xforce.ibmcloud.comlibssh-publickeyfromprivatekey-dos(81595)https://exchange.xforce.ibmcloud.com/vulnerabilities/81595
- secunia.com51982http://secunia.com/advisories/51982
- lists.fedoraproject.orgFEDORA-2013-1422http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098065.html
- www.ubuntu.comUSN-1707-1http://www.ubuntu.com/usn/USN-1707-1
- www.libssh.orghttp://www.libssh.org/2013/01/22/libssh-0-5-4-security-release/
07 Fixed in
Debian 12
- libssh Fixed in 0.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libssh Fixed in 0.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libssh Fixed in 0.5.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.