CVE-2026-33871
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-33871
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-33871.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | io.netty:netty-codec-http2 | <4.1.132.Final | 4.1.132.Final |
| Maven | io.netty:netty-codec-http2 | >=4.2.0.Alpha1,<4.2.11.Final | 4.2.11.Final |
References
Verify integrity in audit chain (admin only). AS-IS.