| Package | Affected versions | Patched versions |
|---|---|---|
| oniguruma | = 6.2.0 | |
| php | ≥ 7.0.0, < 7.0.21≥ 7.1.0, < 7.1.7< 5.6.31 | 7.0.217.1.75.6.31 |
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.
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