Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Trans...
Product
redhat/netty-handler-proxy vulnerabilities
3 published CVES affecting redhat/netty-handler-proxy, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 3
- Critical
- 0
- High
- 1
- Medium
- 1
- Low
- 1
- Unscored
- 0
- CISA KEV
- 0
Latest redhat/netty-handler-proxy CVEs
Newest publication first
-
MediumCVSS 6.9 EPSS 0.28%
-
CVE-2026-59903 Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite
PublishedHighCVSS 7.5 EPSS 0.32%Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN...
-
LowCVSS 2.9 EPSS 1.1%
Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's HttpProxyHandler constructs HTTP CONNECT requests with header validation explicitly disabled. The newInitialMessage() method creates headers using DefaultHttpHea...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.