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Vulnerability record · CVE-2012-4415 · published 1 October 2012

CVE-2012-4415: Fedoraproject fedora memory buffer overflow vulnerability

Fedoraproject · Fedora

Stack-based buffer overflow in the guac_client_plugin_open function in libguac in Guacamole before 0.6.3 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long protocol name.

7.5 CVSS 2.0 High EPSS 14% · top 3.7% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
18References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the guac_client_plugin_open function in libguac in Guacamole before 0.6.3 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a long protocol name.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2012-09/0107.html Exploit
http://guac-dev.org/trac/changeset/7dcefa744b4a38825619c00ae8b47e5bae6e38c0/libguac Patch
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088031.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088218.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088272.html
http://www.openwall.com/lists/oss-security/2012/09/11/3
http://www.openwall.com/lists/oss-security/2012/09/11/7
http://www.securityfocus.com/bid/55497 Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=856743
http://archives.neohapsis.com/archives/bugtraq/2012-09/0107.html Exploit
http://guac-dev.org/trac/changeset/7dcefa744b4a38825619c00ae8b47e5bae6e38c0/libguac Patch
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088031.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088218.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088272.html
http://www.openwall.com/lists/oss-security/2012/09/11/3
http://www.openwall.com/lists/oss-security/2012/09/11/7
http://www.securityfocus.com/bid/55497 Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=856743

Track CVE-2012-4415 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-4415), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.