CVE-2010-1158

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-04-20 · updated 2026-06-16
Weakness: CWE-189

Description

Integer overflow in the regular expression engine in Perl 5.8.x allows context-dependent attackers to cause a denial of service (stack consumption and application crash) by matching a crafted regular expression against a long string.

Affected products

perl: 5.8.1, 5.8.2, 5.8.3, 5.8.4, 5.8.5, 5.8.6 (+3)

References

http://bugs.gentoo.org/show_bug.cgi?id=313565
http://perldoc.perl.org/perl5100delta.html
http://secunia.com/advisories/55314
http://www.openwall.com/lists/oss-security/2010/04/08/9
http://www.openwall.com/lists/oss-security/2010/04/14/3
https://bugzilla.redhat.com/show_bug.cgi?id=580605
http://bugs.gentoo.org/show_bug.cgi?id=313565
http://perldoc.perl.org/perl5100delta.html
http://secunia.com/advisories/55314
http://www.openwall.com/lists/oss-security/2010/04/08/9
http://www.openwall.com/lists/oss-security/2010/04/14/3
https://bugzilla.redhat.com/show_bug.cgi?id=580605

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