Vulnerability DatabaseCVE-2013-6393
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CVE-2013-6393
Published:February 06, 2014
Updated:May 17, 2026
The yaml_parser_scan_tag_uri function in scanner.c in LibYAML before 0.1.5 performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via crafted tags in a YAML document, which triggers a heap-based buffer overflow.
Affected Packages
libyaml (NPM):
Affected version(s) >=0.0.1 <0.2.3
Fix Suggestion:
Update to version 0.2.3
Related Resources (29)
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
https://bitbucket.org/xi/libyaml
https://puppet.com/security/cve/cve-2013-6393
http://www.debian.org/security/2014/dsa-2850
http://www.securityfocus.com/bid/65258
https://nvd.nist.gov/vuln/detail/CVE-2013-6393
https://bugzilla.redhat.com/attachment.cgi?id=847926&action=diff
http://www.debian.org/security/2014/dsa-2870
https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048
http://lists.opensuse.org/opensuse-updates/2014-02/msg00064.html
http://rhn.redhat.com/errata/RHSA-2014-0355.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
http://lists.opensuse.org/opensuse-updates/2014-02/msg00065.html
http://osvdb.org/102716
http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
https://web.archive.org/web/20150523055002/http://www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2015:060/?name=MDVSA-2015:060
http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
http://archives.neohapsis.com/archives/bugtraq/2014-04/0134.html
http://rhn.redhat.com/errata/RHSA-2014-0353.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=2013-6393
https://web.archive.org/web/20140302205713/http://www.securityfocus.com/bid/65258
https://bugzilla.redhat.com/show_bug.cgi?id=1033990
http://www.ubuntu.com/usn/USN-2098-1
https://access.redhat.com/security/cve/CVE-2013-6393
http://rhn.redhat.com/errata/RHSA-2014-0354.html
http://advisories.mageia.org/MGASA-2014-0040.html
https://www.npmjs.com/advisories/21
https://bitbucket.org/xi/libyaml/commits/tag/0.1.5
https://support.apple.com/kb/HT6536
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.6
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
CVSS v2
Base Score:
6.8
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119
EPSS
Base Score:
8.06