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CVE-2012-6063

Double free vulnerability in the sftp_mkdir function in sftp.c in libssh before 0.5.3 allows...

7.5 HighFix available

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.

What does this mean?
Severity
7.5 HighCVSS 2.0, NVD
Exploit chance
3.58%EPSS, 89th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.5.3-1libssh +3 more

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.

Exploit likelihood

3.58%Down 0.7 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libssh
Debian:12
before 0.5.3-1
0.5.3-1
libssh
Debian:13
before 0.5.3-1
0.5.3-1
libssh
Debian:14
before 0.5.3-1
0.5.3-1
libssh
Debian:6.0
From an advisory covering 4 CVEs
before 0.4.5-3+squeeze1, plus listed versions
0.4.5-3
0.4.5-3+squeeze1

What each source reports

NVD Score used7.5

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 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE ListNo 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-2012-5937No 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-pxppNo 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
OSVNo 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-2012-6063No 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

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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