Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2017-9227 Details

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 mbc_enc_len() during regular expression searching. Invalid handling of reg->dmin in forward_search_range() could result in an invalid pointer dereference, as an out-of-bounds read from a stack buffer.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2018:1296	CVE	Third Party Advisory
https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814	CVE	PatchThird Party Advisory
https://github.com/kkos/oniguruma/issues/58	CVE	ExploitIssue TrackingPatchThird Party Advisory
http://www.securityfocus.com/bid/100538	CVE	Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:1296	[email protected]	Third Party Advisory
https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814	[email protected]	PatchThird Party Advisory
https://github.com/kkos/oniguruma/issues/58	[email protected]	ExploitIssue TrackingPatchThird Party Advisory
http://www.securityfocus.com/bid/100538	[email protected]	Third Party AdvisoryVDB Entry

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	[email protected]

Affected Products

Product	Versions
oniguruma project oniguruma	6.2.0
CPE cpe:2.3:a:oniguruma_project:oniguruma:6.2.0:::::::* Remediation No remediation found in references.
php php	>= 5.6.0, < 5.6.31 >= 7.0.0, < 7.0.21 >= 7.1.0, < 7.1.7
CPE cpe:2.3:a:php:php:::::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 20, 2022	Modified Analysis	[email protected]
May 4, 2018	CVE Modified	[email protected]
Oct 13, 2017	CVE Modified	[email protected]
Jun 2, 2017	Initial Analysis	[email protected]