Is nokogiri affected by CVE-2021-3537?

RubyGems nokogiri is affected in <1.11.4.

Is CVE-2021-3537 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 3.5%.

medium

CVE-2021-3537

Q: Is CVE-2021-3537 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 3.5%.

RubyGems · nokogiri

Summary

Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing

Severity: medium
EPSS: 3.5% (p88)
Also known as: GHSA-286v-pcf5-25rc
Published: 2022-05-24

References

https://nvd.nist.gov/vuln/detail/CVE-2021-3537
https://bugzilla.redhat.com/show_bug.cgi?id=1956522
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3537.yml

Related advisories

GHSA-353f-x4gh-cqq8 — critical · RubyGems/nokogiri
CVE-2019-11068 — critical · RubyGems/nokogiri
CVE-2019-5477 — critical · RubyGems/nokogiri
GHSA-c4rq-3m3g-8wgx — high · RubyGems/nokogiri
GHSA-mrxw-mxhj-p664 — high · RubyGems/nokogiri
CVE-2022-23476 — high · RubyGems/nokogiri
CVE-2021-30560 — high · RubyGems/nokogiri
CVE-2021-3517 — high · RubyGems/nokogiri

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.