CVE-2017-9224
9.8
CRITICAL · CVSS 3.1 · EPSS 6.5% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.54% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-05-24 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| oniguruma project | oniguruma |
| php | php |
References
- http://www.securityfocus.com/bid/101244
- https://access.redhat.com/errata/RHSA-2018:1296
- https://github.com/kkos/oniguruma/commit/690313a061f7a4fa614ec5cc8368b4f2284e059b
- https://github.com/kkos/oniguruma/issues/57
- http://www.securityfocus.com/bid/101244
- https://access.redhat.com/errata/RHSA-2018:1296
- https://github.com/kkos/oniguruma/commit/690313a061f7a4fa614ec5cc8368b4f2284e059b
- https://github.com/kkos/oniguruma/issues/57
→ the Explorer · watch your stack · NVD