Description
Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, (3) ssh_userauth_pubkey function in auth.c, (4) sftp_parse_attr_3 function in sftp.c, and (5) try_publickey_from_file function in keyfiles.c in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.
CVSS Metrics
- Vector
- AV:N/AC:M/Au:N/C:P/I:P/A:P
- Access Vector
- network
- Access Cmplx
- medium
- Auth
- none
- Confidentiality
- partial
- Integrity
- partial
- Availability
- partial
- Weaknesses
- CWE-399
Metadata
- Primary Vendor
- LIBSSH
- Published
- 11/30/2012
- Last Modified
- 4/11/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
libssh : libsshlibssh : libsshlibssh : libsshlibssh : libsshlibssh : libsshlibssh : libssh
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