Integer Underflow Vulnerability in Perl's regcomp.c

CVE-2013-7422 · HIGH Severity

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

Integer underflow in regcomp.c in Perl before 5.20, as used in Apple OS X before 10.10.5 and other products, allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a long digit string associated with an invalid backreference within a regular expression.

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