CVE-2012-6063
Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows...
CVE-2012-6063 is a high vulnerability (CVSS 7.5) in Libssh, published November 30, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.58%, the 89th percentile. Fixed in libssh 0.5.3-1.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-6063- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-6063- Updated
- 2026-11-02
EUVDEUVD-2012-5937 No score
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.
- Record
EUVD-2012-5937- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fgm4-g835-pxpp No score
Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows...
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.
- Record
GHSA-fgm4-g835-pxpp- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-6063- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-6063 No score
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.
- Record
DEBIAN-CVE-2012-6063- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
bugzilla.redhat.com/show_bug.cgi?id=871612
debian.org/security/2012/dsa-2577
libssh.org/2012/11/20/libssh-0-5-3-security-release
git.libssh.org/projects/libssh.git/commit?h=v0-5&id=4d8420f3282ed07fc99fc5e930c17df27ef1e9b2
nvd.nist.gov/vuln/detail/CVE-2012-6063
github.com/advisories/GHSA-fgm4-g835-pxpp
security-tracker.debian.org/tracker/CVE-2012-6063