CVE-2017-6181

NameCVE-2017-6181
DescriptionThe parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby2.1source(unstable)(not affected)
ruby2.3source(unstable)(not affected)

Notes

- ruby2.3 <not-affected> (Introduced in v2_4_0_rc1)
- ruby2.1 <not-affected> (Introduced in v2_4_0_rc1)
Introduced by: https://github.com/ruby/ruby/commit/2873edeafb6f6df1fc99bb9b1167591b99dd378c
Fixed by: https://github.com/ruby/ruby/commit/ea940cc4dcff8d6c345d7015eda0bf06671f87e9
https://bugs.ruby-lang.org/issues/13234

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