CVE-2022-50998
Nokogiri bundled libxml2 flaws allow DoS or memory corruption via crafted XML.
Is CVE-2022-50998 being exploited?
Not confirmed. CVE-2022-50998 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2022-50998?
CVE-2022-50998 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2022-50998?
Yes. A fix has been recorded for CVE-2022-50998. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2022-50998 affect?
CVE-2022-50998 affects Nokogiri (CRuby) versions < 1.13.9 with packaged libxml2 v2.9.14, Applications using Nokogiri with bundled libxml2, libxml2 v2.9.14 (as bundled). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2022-50998?
Upgrade Nokogiri to >= 1.13.9 or rebuild with libxml2 v2.10.3
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Processing crafted XML can trigger denial-of-service or memory corruption, causing crashes and potential undefined behavior in Ruby apps.
Patch when possible