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Vulnerability record · CVE-2014-9130 · published 8 December 2014

CVE-2014-9130: Pyyaml libyaml improper input validation vulnerability

Pyyaml · Libyaml

scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allows context-dependent attackers to cause a denial of service (assertion failure and crash) via vectors involving line-wrapping.

5.0 CVSS 2.0 Medium EPSS 13% · top 3.8% CWE-20 · Improper input validation
5.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
62References, 6 tagged exploit
17 Jun 2026Last modified by NVD

Description

scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the YAML-LibYAML (aka YAML-XS) module for Perl, allows context-dependent attackers to cause a denial of service (assertion failure and crash) via vectors involving line-wrapping.

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

Affected products

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

References

LinkTags
http://advisories.mageia.org/MGASA-2014-0508.html
http://linux.oracle.com/errata/ELSA-2015-0100.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
http://rhn.redhat.com/errata/RHSA-2015-0100.html
http://rhn.redhat.com/errata/RHSA-2015-0112.html
http://rhn.redhat.com/errata/RHSA-2015-0260.html
http://secunia.com/advisories/59947
http://secunia.com/advisories/60944
http://secunia.com/advisories/62164
http://secunia.com/advisories/62174
http://secunia.com/advisories/62176
http://secunia.com/advisories/62705
http://secunia.com/advisories/62723
http://secunia.com/advisories/62774
http://www.debian.org/security/2014/dsa-3102
http://www.debian.org/security/2014/dsa-3103
http://www.debian.org/security/2014/dsa-3115
http://www.mandriva.com/security/advisories?name=MDVSA-2014:242
http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
http://www.openwall.com/lists/oss-security/2014/11/28/1 Exploit
http://www.openwall.com/lists/oss-security/2014/11/28/8
http://www.openwall.com/lists/oss-security/2014/11/29/3
http://www.securityfocus.com/bid/71349
http://www.ubuntu.com/usn/USN-2461-1
http://www.ubuntu.com/usn/USN-2461-2
http://www.ubuntu.com/usn/USN-2461-3
https://bitbucket.org/xi/libyaml/commits/2b9156756423e967cfd09a61d125d883fca6f4f2 Exploit
https://bitbucket.org/xi/libyaml/issue/10/wrapped-strings-cause-assert-failure Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/99047
https://puppet.com/security/cve/cve-2014-9130
http://advisories.mageia.org/MGASA-2014-0508.html
http://linux.oracle.com/errata/ELSA-2015-0100.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
http://rhn.redhat.com/errata/RHSA-2015-0100.html
http://rhn.redhat.com/errata/RHSA-2015-0112.html
http://rhn.redhat.com/errata/RHSA-2015-0260.html
http://secunia.com/advisories/59947
http://secunia.com/advisories/60944

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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-2014-9130), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.