RHLW-2026-ebef76b1d44dd738
- Source
- https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-ebef76b1d44dd738.json
- Import Source
- https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-ebef76b1d44dd738.json
- JSON Data
- https://api.osv.dev/v1/vulns/RHLW-2026-ebef76b1d44dd738
- Upstream
- Published
- 2026-11-06T08:56:08Z
- Modified
- 2026-11-06T19:43:10Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Lightwell Security Advisory: netty-codec-http3 4.2.13.Final-rhlw-00001
- Details
-
Red Hat Lightwell has released io.netty:netty-codec-http3 4.2.13.Final-rhlw-00001 with backported fixes for CVE-2026-44892, CVE-2026-48748, and CVE-2026-56816.
CVE-2026-44892: Netty has a Vulnerable Default Configuration Which Leads to Denial of Service via Unbounded HTTP/3 Header Size
CVE-2026-48748: Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion
CVE-2026-56816: Netty: Memory Exhaustion via HTTP/3 Reserved Frame Types
This patched artifact is a drop-in replacement for io.netty:netty-codec-http3 4.2.13.Final-rhlw-00001 from Maven Central.
- References
-
- https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44892.json
- https://github.com/netty/netty/security/advisories/GHSA-c2rx-5r8w-8xr2
- https://nvd.nist.gov/vuln/detail/CVE-2026-44892
- https://github.com/advisories/GHSA-c2rx-5r8w-8xr2
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48748.json
- https://access.redhat.com/security/cve/CVE-2026-48748
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48748.json
- https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6
- https://nvd.nist.gov/vuln/detail/CVE-2026-48748
- https://github.com/netty/netty/commit/75127cab731ee35068d1f0667bffa188bc332f5d
- https://github.com/advisories/GHSA-4grm-h2qv-h6w6
- https://github.com/netty/netty/releases/tag/netty-4.2.16.Final
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56816.json
- https://github.com/netty/netty/security/advisories/GHSA-hpcc-26xq-25fv
- https://nvd.nist.gov/vuln/detail/CVE-2026-56816
- https://github.com/netty/netty/commit/5b68c61f37aa4a3045cba624cbea239655c9003b
- https://github.com/advisories/GHSA-hpcc-26xq-25fv
- Credits
-
-
- Red Hat Lightwell - REMEDIATION_DEVELOPER
-
Affected packages
Red Hat Lightwell:Maven / io.netty:netty-codec-http3
Package
- Name
- io.netty:netty-codec-http3
- Purl
- pkg:maven/io.netty/netty-codec-http3
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed4.2.13.Final-rhlw-00001
Affected versions
4.*
4.2.2.Final
4.2.3.Final
4.2.4.Final
4.2.5.Final
4.2.6.Final
4.2.7.Final
4.2.8.Final
4.2.9.Final
4.2.10.Final
4.2.11.Final
4.2.12.Final
4.2.13.Final
Database specific
lightwell
{
"backport_base_version": "4.2.13.Final",
"remediated_version": "4.2.13.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-ebef76b1d44dd738.json"