What’s Vulnerable › Vulnerabilities

CVE-2014-4330

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-09-30 · updated 2026-06-17
• Weakness: CWE-119

Description

The Dumper method in Data::Dumper before 2.154, as used in Perl 5.20.1 and earlier, allows context-dependent attackers to cause a denial of service (stack consumption and crash) via an Array-Reference with many nested Array-References, which triggers a large number of recursive calls to the DD_dump function.

Affected products

• Data Dumper Project Data Dumper: through 2.151
• perl: through 5.20.1

References

• http://advisories.mageia.org/MGASA-2014-0406.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139441.html
• http://packetstormsecurity.com/files/128422/Perl-5.20.1-Deep-Recursion-Stack-Overflow.html
• http://seclists.org/fulldisclosure/2014/Sep/84
• http://seclists.org/oss-sec/2014/q3/692
• http://secunia.com/advisories/61441
• http://secunia.com/advisories/61961
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:136
• http://www.nntp.perl.org/group/perl.perl5.porters/2014/09/msg220118.html
• http://www.securityfocus.com/archive/1/533543/100/0/threaded
• http://www.securityfocus.com/bid/70142
• http://www.ubuntu.com/usn/USN-2916-1

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