CVE-2012-6063

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-30 · updated 2026-06-16
Weakness: CWE-399

Description

Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vector than CVE-2012-4559.

Affected products

libssh: through 0.5.2; 0.4.7, 0.4.8, 0.5.0, 0.5.0-rc1, 0.5.1

References

http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2
http://www.debian.org/security/2012/dsa-2577
http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/
https://bugzilla.redhat.com/show_bug.cgi?id=871612
http://git.libssh.org/projects/libssh.git/commit/?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2
http://www.debian.org/security/2012/dsa-2577
http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/
https://bugzilla.redhat.com/show_bug.cgi?id=871612

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