fflate vulnerabilities and fixes
Recent CVEs affecting fflate, with upgrade or downgrade steps. 1 tracked.
fflate has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-07-22. Highest priority: CVE-2026-45820 (score 36/100).
- CVE-2026-45820 HIGH 7.5 UPGRADE fflate through 0.8.2 is vulnerable to denial of service via an infinite loop in unzipSync()
FAQ
How do I fix fflate 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 fflate being exploited right now?
None of the tracked fflate CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fflate CVE should I patch first?
CVE-2026-45820 currently ranks highest (36/100): fflate through 0.8.2 is vulnerable to denial of service via an infinite loop in unzipSync().