RHLW-2026-2e889feb45fc9875

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Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-2e889feb45fc9875.json
Import Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-2e889feb45fc9875.json
JSON Data
https://api.test.osv.dev/v1/vulns/RHLW-2026-2e889feb45fc9875
Upstream
CVE (4)
GHSA (4)
Published
2026-10-12T16:55:07Z
Modified
2026-10-22T00:08:30Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Lightwell Security Advisory: netty-codec-haproxy 4.1.100.Final-rhlw-00001
Details

Red Hat Lightwell has released io.netty:netty-codec-haproxy 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2026-44893, CVE-2026-48059, CVE-2026-55851, and CVE-2026-59919.

CVE-2026-44893: Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length

CVE-2026-48059: Netty HAProxy: Unbalanced Reference Count in Nested PP2_TYPE_SSL TLV Parsing Leads to Memory Exhaustion

CVE-2026-55851: Netty codec-haproxy: Signed-Byte Sentinel Collision in HAProxyMessageDecoder Leads to Unbounded Memory Exhaustion

CVE-2026-59919: Netty: HAProxy V1 Protocol CRLF Injection via AF_UNIX Address

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

References
Credits
    • Red Hat Lightwell - REMEDIATION_DEVELOPER

Affected packages

Red Hat Lightwell:Maven / io.netty:netty-codec-haproxy

Package

Name
io.netty:netty-codec-haproxy
Purl
pkg:maven/io.netty/netty-codec-haproxy

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.*
4.0.29.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-2026-2e889feb45fc9875.json"