Netty
Vendor:
First CVE: May 6, 2014 · Active for 12 years
68
Total CVEs
More Total CVEs than 98% of tracked products
6.8
Avg CVEs / Year
Higher CVE frequency than 92% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 43% of tracked products
1.5%
KEV Rate
Higher KEV Rate than 96% of tracked products
Trends Over Time
The number and severity of CVEs published that impact Netty over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 6, 2014
12 years ago
Most Recent CVE
Jul 21, 2026
3 days ago
CVE Severity & Scoring
Netty68 CVEs
31%
59%
10%
All CVEs352,294 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local6 (8.8%)
Network60 (88.2%)
Unknown2 (2.9%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low61 (89.7%)
High5 (7.4%)
Unknown2 (2.9%)
User Interaction
None65 (95.6%)
Unknown2 (2.9%)
Required1 (1.5%)
Privileges Required
Low6 (8.8%)
High0 (0.0%)
None60 (88.2%)
Unknown2 (2.9%)
Top CVEs
Signals from CVEs in this product scope (68 CVEs).
68 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-44487HIGH The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through | Oct 10, 2023 | 7.5 | 97 | YES | YES |
CVE-2026-47691CRITICAL Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's `DnsResolveContext` insufficient | Jun 12, 2026 | 10.0 | 42 | NO | NO |
CVE-2026-45674CRITICAL Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to valid | Jun 12, 2026 | 10.0 | 42 | NO | NO |
CVE-2026-42581CRITICAL Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a r | May 13, 2026 | 9.8 | 39 | NO | NO |
CVE-2026-42584CRITICAL Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpClientCodec pairs each inbound response with an outbound request | May 13, 2026 | 9.1 | 38 | NO | NO |
CVE-2026-42579CRITICAL Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's DNS codec does not enforce RFC 1035 domain name constraints d | May 13, 2026 | 9.1 | 38 | NO | NO |
CVE-2026-44249HIGH Netty is a network application framework for development of protocol servers and clients. In netty-handler prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can bypass | Jun 11, 2026 | 8.1 | 37 | NO | NO |
CVE-2026-50010HIGH Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SimpleTrustManagerFactory.engineGetTrust | Jun 12, 2026 | 7.5 | 35 | NO | NO |
CVE-2026-45416HIGH Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, SslClientHelloHandler.decode() reads the | Jun 12, 2026 | 7.5 | 35 | NO | NO |
CVE-2026-42587HIGH Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpContentDecompressor accepts a maxAllocation parameter to limit de | May 13, 2026 | 7.5 | 35 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (68 CVEs).
CISA KEV
1 CVE
1.5% of CVEs· 96th percentile
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
1.5% of CVEs· 87th percentile
Social Chatter
Signals from CVEs in this product scope (68 CVEs).
Media Mentions
Signals from CVEs in this product scope (68 CVEs).
Top CNAs Publishing CVEs For Netty
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 4.1.43 | 1 | 7.5 | 3.6% | 0 | 0 |
| 4.1.0 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.9 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.8 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.7 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.6 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.5 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.4 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.3 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.27 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.26 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.25 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.24 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.23 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.22 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.21 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.20 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.2 | 2 | 6.3 | 4.9% | 0 | 0 |
| 4.0.19 | 1 | 7.5 | 5.4% | 0 | 0 |
| 4.0.18 | 2 | 6.3 | 4.9% | 0 | 0 |