CVE-2012-4561

Source
https://nvd.nist.gov/vuln/detail/CVE-2012-4561
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2012-4561.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2012-4561
Related
Published
2012-11-30T22:55:01Z
Modified
2025-04-11T00:51:21Z
Downstream
Summary
[none]
Details

The (1) publickeymakedss, (2) publickeymakersa, (3) signaturefromstring, (4) sshdosign, and (5) sshsignsession_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors.

References

Affected packages

Debian:11 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / libssh

Package

Name
libssh
Purl
pkg:deb/debian/libssh?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}