CVE-2012-5195

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-12-18 · updated 2026-06-16
Weakness: CWE-119

Description

Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service (memory consumption and crash) or possibly execute arbitrary code via the 'x' string repeat operator.

Affected products

perl: 5.12.0, 5.12.0-rc0, 5.12.0-rc1, 5.12.0-rc2, 5.12.0-rc3, 5.12.0-rc4 (+17)

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
http://perl5.git.perl.org/perl.git/commit/2709980d5a193ce6f3a16f0d19879a6560dcde44
http://rhn.redhat.com/errata/RHSA-2013-0685.html
http://secunia.com/advisories/51457
http://secunia.com/advisories/55314
http://www.debian.org/security/2012/dsa-2586
http://www.mandriva.com/security/advisories?name=MDVSA-2013:113
http://www.nntp.perl.org/group/perl.perl5.porters/2012/10/msg193886.html
http://www.openwall.com/lists/oss-security/2012/10/26/2
http://www.openwall.com/lists/oss-security/2012/10/27/1

Get alerted when CVE-2012-5195 or the next vulnerability affects your stack