Nokogiri vulnerable to DoS while parsing XML entities

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.022, the 82nd percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 5 May 2022. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-jmhh-w7xp-wg39
• OSV: GHSA-jmhh-w7xp-wg39
• nvd.nist.gov/vuln/detail/CVE-2013-6461
• access.redhat.com/security/cve/cve-2013-6461
• bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-6461
• exchange.xforce.ibmcloud.com/vulnerabilities/90059
• github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2013-6461.yml
• github.com/sparklemotion/nokogiri
• security-tracker.debian.org/tracker/CVE-2013-6461
• web.archive.org/web/20200804224345/https://www.securityfocus.com/bid/64513
• www.openwall.com/lists/oss-security/2013/12/27/2

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.