CVE-2017-9229

Published: May 24, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-476

7.5HIGH

NVD MITRE

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

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

oniguruma project

oss-projectaka oniguruma regex library

onigurumaLibrary

OSS Libraries / generic-library

php

oss-project·USaka pecl, pear, php language

phpDev Tool

OSS Libraries / generic-library

ruby-lang

oss-projectaka rexml, ruby

rubyLibrary

OSS Libraries / generic-library

and 1 more affected products View all →

Exploitability

1 exploit source identified

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

View exploit details

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

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