PatchTheCVElibexpat project vulnerabilities
Recent CVEs affecting libexpat project products. 1 tracked.
libexpat project has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-18. Highest priority: CVE-2026-66046 (score 50/100).
- CVE-2026-66046 HIGH 7.5 UPGRADE Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in t
FAQ
How do I fix libexpat project vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is libexpat project being exploited right now?
None of the tracked libexpat project CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which libexpat project CVE should I patch first?
CVE-2026-66046 currently ranks highest (50/100): Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in t.