Search for vulnerabilities
Vulnerability details: VCID-sfqd-mkc5-aaan
Vulnerability ID VCID-sfqd-mkc5-aaan
Aliases CVE-2012-4559
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.1
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-399 Resource Management Errors
System Score Found at
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.03818 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.05216 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.11908 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.12746 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.13135 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.13135 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
epss 0.13135 https://api.first.org/data/v1/epss?cve=CVE-2012-4559
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2012-4559
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html
http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html
http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html
https://api.first.org/data/v1/epss?cve=CVE-2012-4559
https://bugzilla.redhat.com/show_bug.cgi?id=871612
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4559
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4561
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4562
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6063
https://exchange.xforce.ibmcloud.com/vulnerabilities/80218
http://www.debian.org/security/2012/dsa-2577
http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/
http://www.mandriva.com/security/advisories?name=MDVSA-2012:175
http://www.openwall.com/lists/oss-security/2012/11/20/3
http://www.securityfocus.com/bid/56604
http://www.ubuntu.com/usn/USN-1640-1
cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:0.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:0.5.1:*:*:*:*:*:*:*
CVE-2012-4559 https://nvd.nist.gov/vuln/detail/CVE-2012-4559
GLSA-201402-26 https://security.gentoo.org/glsa/201402-26
USN-1640-1 https://usn.ubuntu.com/1640-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2012-4559
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.87059
EPSS Score 0.03818
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.