netty
- Software type
- Software application
- Total vulnerabilities (90 days)
- 38
- Products & ServicesProducts & Services
- SolutionsSolutions
- PricingPricing
- CompanyCompany
- ResourcesResources
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As of 10/11/2026, netty recorded 38 security vulnerabilities in the last 90 days, of which 23 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of netty and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-100666Netty 4.2.0 through 4.2.16 Response Desynchronization via HttpServerCodecCVE-2026-100665Netty 4.2.11 through 4.2.17 QUIC Hostname Verification BypassCVE-2026-100664Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority ConfusionCVE-2026-100663Netty HTTP/1 CONNECT authority-form mistranslated to malformed HTTP/3CVE-2026-100662Netty HTTP/3 QPACK encoder-stream unbounded memory exhaustion DoS| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-100666Netty 4.2.0 through 4.2.16 Response Desynchronization via HttpServerCodec | Exploitation statusActively exploited | FixYes | Published09/26/2026 | SeverityMedium |
CVE-2026-100665Netty 4.2.11 through 4.2.17 QUIC Hostname Verification Bypass | Exploitation statusActively exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100664Netty 4.2.2 through 4.2.17 HTTP/1 Host Header Authority Confusion | Exploitation statusNot exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100663Netty HTTP/1 CONNECT authority-form mistranslated to malformed HTTP/3 | Exploitation statusActively exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100662Netty HTTP/3 QPACK encoder-stream unbounded memory exhaustion DoS | Exploitation statusActively exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100661Netty HTTP/3 QPACK Prefixed Integer DoS via Unbounded Accumulation | Exploitation statusNot exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100660Netty before 4.2.18.Final QpackEncoder Unbounded Memory Retention | Exploitation statusActively exploited | FixYes | Published09/26/2026 | SeverityHigh |
CVE-2026-100659Netty 4.2.0 through 4.2.17 HTTP/3 Request Routing Bypass | Exploitation statusNot exploited | FixYes | Published09/26/2026 | SeverityMedium |
CVE-2026-100658CVE-2026-100658 | Exploitation statusNot confirmed | FixNo | Published09/26/2026 | SeverityUnknown |
CVE-2026-100657CVE-2026-100657 | Exploitation statusNot confirmed | FixNo | Published09/26/2026 | SeverityUnknown |
108 Results | Page 1 of 11