RHLW-2026-7e27d228834c9346

Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-7e27d228834c9346.json
Import Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-7e27d228834c9346.json
JSON Data
https://api.osv.dev/v1/vulns/RHLW-2026-7e27d228834c9346
Upstream
CVE (3)
GHSA (3)
Published
2026-10-12T16:58:21Z
Modified
2026-10-27T04:00:09Z
Severity
  • 7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
Lightwell Security Advisory: netty-handler-ssl-ocsp 4.1.100.Final-rhlw-00001
Details

Red Hat Lightwell has released io.netty:netty-handler-ssl-ocsp 4.1.100.Final-rhlw-00001 with backported fixes for CVE-2026-56820, CVE-2026-56821, and CVE-2026-56822.

CVE-2026-56820: Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks

CVE-2026-56821: Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator

CVE-2026-56822: Netty: TOCTOU in OcspServerCertificateValidator

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

References
Credits
    • Red Hat Lightwell - REMEDIATION_DEVELOPER

Affected packages

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

Package

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

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.*
4.1.86.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-2026-7e27d228834c9346.json"