CVE-2012-1152

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-09-09 · updated 2026-06-16
Weakness: CWE-134

Description

Multiple format string vulnerabilities in the error reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and perl-YAML-LibYAML) module 0.38 for Perl allow remote attackers to cause a denial of service (process crash) via format string specifiers in a (1) YAML stream to the Load function, (2) YAML node to the load_node function, (3) YAML mapping to the load_mapping function, or (4) YAML sequence to the load_sequence function.

Affected products

Ingy Yaml::Libyaml: 0.38

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661548
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077004.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077023.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077782.html
http://lists.opensuse.org/opensuse-updates/2012-08/msg00029.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
http://secunia.com/advisories/48317
http://secunia.com/advisories/50277
http://www.debian.org/security/2012/dsa-2432
http://www.openwall.com/lists/oss-security/2012/03/09/6
http://www.openwall.com/lists/oss-security/2012/03/10/4
http://www.securityfocus.com/bid/52381

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