RHLW-2026-313117b0cad7329e

Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-313117b0cad7329e.json
Import Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-313117b0cad7329e.json
JSON Data
https://api.osv.dev/v1/vulns/RHLW-2026-313117b0cad7329e
Upstream
CVE (6)
GHSA (6)
Published
2026-10-12T16:58:10Z
Modified
2026-10-27T04:13:04Z
Severity
  • 9.1 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Lightwell Security Advisory: netty-handler 4.1.100.Final-rhlw-00001
Details

Red Hat Lightwell has released io.netty:netty-handler 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2025-24970, CVE-2026-44249, CVE-2026-45416, CVE-2026-50010, CVE-2026-75595, and CVE-2026-75596.

CVE-2025-24970: SslHandler doesn't correctly validate packets which can lead to native crash when using native SSLEngine

CVE-2026-44249: Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking

CVE-2026-45416: Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes

CVE-2026-50010: Netty's wrapping plain trust manager silently disables hostname verification

CVE-2026-75595: Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

CVE-2026-75596: Netty: Fragmented ClientHello records trigger quadratic pre-handshake reassembly in default SNI parsing

This patched artifact is a drop-in replacement for io.netty:netty-handler 4.1.100.Final from Maven Central.

References
Credits
    • Red Hat Lightwell - REMEDIATION_DEVELOPER

Affected packages

Red Hat Lightwell:Maven / io.netty:netty-handler

Package

Name
io.netty:netty-handler
Purl
pkg:maven/io.netty/netty-handler

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.1.100.Final-rhlw-00001

Affected versions

4.*
4.0.0.Alpha1
4.0.0.Alpha2
4.0.0.Alpha3
4.0.0.Alpha4
4.0.0.Alpha5
4.0.0.Alpha6
4.0.0.Alpha7
4.0.0.Alpha8
4.0.0.Beta1
4.0.0.Beta2
4.0.0.Beta3
4.0.0.CR1
4.0.0.CR2
4.0.0.CR3
4.0.0.CR4
4.0.0.CR5
4.0.0.CR6
4.0.0.CR7
4.0.0.CR8
4.0.0.CR9
4.0.0.Final
4.0.1.Final
4.0.2.Final
4.0.3.Final
4.0.4.Final
4.0.5.Final
4.0.6.Final
4.0.7.Final
4.0.8.Final
4.0.9.Final
4.0.10.Final
4.0.11.Final
4.0.12.Final
4.0.13.Final
4.0.14.Beta1
4.0.14.Final
4.0.15.Final
4.0.16.Final
4.0.17.Final
4.0.18.Final
4.0.19.Final
4.0.20.Final
4.0.21.Final
4.0.22.Final
4.0.23.Final
4.0.24.Final
4.0.25.Final
4.0.26.Final
4.0.27.Final
4.0.28.Final
4.0.29.Final
4.0.30.Final
4.0.31.Final
4.0.32.Final
4.0.33.Final
4.0.34.Final
4.0.35.Final
4.0.36.Final
4.0.37.Final
4.0.38.Final
4.0.39.Final
4.0.40.Final
4.0.41.Final
4.0.42.Final
4.0.43.Final
4.0.44.Final
4.0.45.Final
4.0.46.Final
4.0.47.Final
4.0.48.Final
4.0.49.Final
4.0.50.Final
4.0.51.Final
4.0.52.Final
4.0.53.Final
4.0.54.Final
4.0.55.Final
4.0.56.Final
4.1.0.Beta1
4.1.0.Beta2
4.1.0.Beta3
4.1.0.Beta4
4.1.0.Beta5
4.1.0.Beta6
4.1.0.Beta7
4.1.0.Beta8
4.1.0.CR1
4.1.0.CR2
4.1.0.CR3
4.1.0.CR4
4.1.0.CR5
4.1.0.CR6
4.1.0.CR7
4.1.0.Final
4.1.1.Final
4.1.2.Final
4.1.3.Final
4.1.4.Final
4.1.5.Final
4.1.6.Final
4.1.7.Final
4.1.8.Final
4.1.9.Final
4.1.10.Final
4.1.11.Final
4.1.12.Final
4.1.13.Final
4.1.14.Final
4.1.15.Final
4.1.16.Final
4.1.17.Final
4.1.18.Final
4.1.19.Final
4.1.20.Final
4.1.21.Final
4.1.22.Final
4.1.23.Final
4.1.24.Final
4.1.25.Final
4.1.26.Final
4.1.27.Final
4.1.28.Final
4.1.29.Final
4.1.30.Final
4.1.31.Final
4.1.32.Final
4.1.33.Final
4.1.34.Final
4.1.35.Final
4.1.36.Final
4.1.37.Final
4.1.38.Final
4.1.39.Final
4.1.40.Final
4.1.41.Final
4.1.42.Final
4.1.43.Final
4.1.44.Final
4.1.45.Final
4.1.46.Final
4.1.47.Final
4.1.48.Final
4.1.49.Final
4.1.50.Final
4.1.51.Final
4.1.52.Final
4.1.53.Final
4.1.54.Final
4.1.55.Final
4.1.56.Final
4.1.57.Final
4.1.58.Final
4.1.59.Final
4.1.60.Final
4.1.61.Final
4.1.62.Final
4.1.63.Final
4.1.64.Final
4.1.65.Final
4.1.66.Final
4.1.67.Final
4.1.68.Final
4.1.69.Final
4.1.70.Final
4.1.71.Final
4.1.72.Final
4.1.73.Final
4.1.74.Final
4.1.75.Final
4.1.76.Final
4.1.77.Final
4.1.78.Final
4.1.79.Final
4.1.80.Final
4.1.81.Final
4.1.82.Final
4.1.83.Final
4.1.84.Final
4.1.85.Final
4.1.86.Final
4.1.87.Final
4.1.88.Final
4.1.89.Final
4.1.90.Final
4.1.91.Final
4.1.92.Final
4.1.93.Final
4.1.94.Final
4.1.95.Final
4.1.96.Final
4.1.97.Final
4.1.98.Final
4.1.99.Final
4.1.100.Final

Database specific

lightwell
{
    "backport_base_version":  "4.1.100.Final",
    "remediated_version":  "4.1.100.Final-rhlw-00001",
    "repository_url":  "https://packages.redhat.com/lightwell/java/remediated/"
}
source
"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-313117b0cad7329e.json"