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critical9.8

CVE-2017-9228

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.

Impact

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 occurs in bitset_set_range() during regular expression compilation due to an uninitialized variable from an incorrect state transition. An incorrect state transition in parse_char_class() could create an execution path that leaves a critical local variable uninitialized until it's used as an index, resulting in an out-of-bounds write memory corruption.

Affected products

VendorProductAffected versions
Oniguruma ProjectOniguruma
Version 6.2.0
PhpPhp
from 5.6.0 before 5.6.31
from 7.0.0 before 7.0.21
from 7.1.0 before 7.1.7

Weakness classification

CWE-787

References