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LIN7-8420 : Security Advisory - php &ruby - CVE-2017-9226

Created: Jul 17, 2017    Updated: Sep 8, 2018
Resolved Date: Jul 23, 2017
Found In Version: 7.0
Fix Version: 7.0.0.26
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: Userspace

Description

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in next_state_val() during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetch_token() and fetch_token_in_cc(). A malformed regular expression containing an octal number in the form of '\700' would produce an invalid code point value larger than 0xff in next_state_val(), resulting in an out-of-bounds write memory corruption.

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