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CVE-2017-9227

Published: May 24, 2017Updated: May 13, 2026 Sources: CVE List NVD BDUCWE-125
9.8CRITICAL
NVD MITRE
EPSS Score
6.3%
Top 7.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-125

Affected Products

onigurumaoniguruma project
Library
OSS Libraries / generic-library
phpphp
Dev Tool
OSS Libraries / generic-library
PHPPHP Group
LibraryLibrary
OSS Libraries
OnigurumaK. Kosako
Library
OSS Libraries / generic-library
RubyRuby Team
LibraryLibrary
OSS Libraries / rubygems
oniguruma projectoss-projectOSS Librariesaka oniguruma regex library
phposs-projectUSOSS Librariesaka php language, pecl, pear
php grouposs-projectOSS Librariesaka php, pear
k. kosakooss-projectOSS Librariesaka oniguruma project, oniguruma
ruby teamoss-projectOSS Librariesaka ruby team, ruby-lang
and 1 more affected products View all →

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
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References

http://www.securityfocus.com/bid/100538
securityfocus.com
https://access.redhat.com/errata/RHSA-2018:1296
access.redhat.com
https://github.com/kkos/oniguruma/commit/9690d3ab1f9bcd2db8cbe1fe3ee4a5da606b8814
github.com
and 2 more references View all →

Timeline

Published
May 24, 2017
Last Updated
May 13, 2026

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