Buffer Overflow in Perl 5 Affecting Multiple Versions

CVE-2017-12883

What is CVE-2017-12883?

A buffer overflow vulnerability exists in the S_grok_bslash_N function within regcomp.c of Perl 5. This flaw allows remote attackers to exploit crafted regular expressions that include an invalid '\N{U+...}' escape sequence. Successful exploitation could lead to the disclosure of sensitive information or even crash the application, rendering it unresponsive. Users of affected Perl versions should apply security patches to mitigate potential risks.

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References