CVE-2017-9224
Critical
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 stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Oniguruma
PublishedMay 24, 2017
First seenMay 24, 2017
How to fix
Update
- php php5.6.31, 7.0.21, 7.1.7 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oniguruma_project oniguruma | 6.2.0 | — |
| php php | v < 5.6.31, 7.0.0 ≤ v < 7.0.21, 7.1.0 ≤ v < 7.1.7 | 5.6.31, 7.0.21, 7.1.7 |
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