CVE-2012-4559
EPSS 5.0%libssh - several
Published: 11/30/2012Modified: 4/28/2026
Also known as:DEBIAN-CVE-2012-4559
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.
Affected packages (2)
- Debian/libsshfrom 0, < 0.5.3-1
- Debian/libsshfrom 0, < 0.4.5-3+squeeze1