CVE-2017-9229

High

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 SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

SeverityHigh
CVSS7.5
Exploit probability—
ProductOniguruma
PublishedMay 24, 2017
First seenMay 24, 2017

How to fix

Update
  • php php5.6.31, 7.0.21, 7.1.7 or later

Affected products

ProductAffected versionsFixed in
oniguruma_project oniguruma6.2.0—
php phpv ≤ 7.1.5, 5.6.0 ≤ v < 5.6.31, 7.0.0 ≤ v < 7.0.21, 7.1.0 ≤ v < 7.1.75.6.31, 7.0.21, 7.1.7
ruby-lang rubyv ≤ 2.4.1—

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