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CVE-2017-9229

Published: May 24, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-476
7.5HIGH
NVD MITRE
EPSS Score
5.1%
Top 8.7%
CISA KEV
Not in KEV
Exploits
1 Known
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 SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

No summary for this CVE yet.

CVSS Vector Breakdown

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

CWE-476

Affected Products

n/an/a
onigurumaoniguruma project
Library
OSS Libraries / generic-library
phpphp
Dev Tool
OSS Libraries / generic-library
rubyruby-lang
Library
OSS Libraries / generic-library
oniguruma projectoss-projectOSS Librariesaka oniguruma regex library
phposs-projectUSOSS Librariesaka php language, pecl, pear
ruby-langoss-projectOSS Librariesaka ruby, rexml

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Impact
Initial Access
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References

https://github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402d
github.com
https://access.redhat.com/errata/RHSA-2018:1296
access.redhat.com
https://github.com/kkos/oniguruma/issues/59
github.com

Timeline

Published
May 24, 2017
Last Updated
May 13, 2026

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