CVE-2017-11465

Critical

Description

The parser_yyerror function in the UTF-8 parser in Ruby 2.4.1 allows attackers to cause a denial of service (invalid write or read) or possibly have unspecified other impact via a crafted Ruby script, related to the parser_tokadd_utf8 function in parse.y. NOTE: this might have security relevance as a bypass of a $SAFE protection mechanism.

SeverityCritical
CVSS9.8
Exploit probability—
ProductRuby
PublishedJul 19, 2017
First seenJul 19, 2017

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
ruby-lang ruby2.4.1—

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