CVE-2026-33870 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 5%

Affected Products (NVD)

Vendor	Product	Version
netty	netty	𝑥 < 4.1.132
netty	netty	4.2.0 ≤ 𝑥 < 4.2.10

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

netty

bookworm	vulnerable
bookworm (security)	vulnerable
bullseye	vulnerable
bullseye (security)	vulnerable
forky	vulnerable
sid	vulnerable
trixie	vulnerable
trixie (security)	vulnerable

openSUSE / SLES Releases

openSUSE Product

Release

netty-tcnative

suse enterprise desktop 15 SP7	2.0.75-150200.3.36.1 fixed
suse enterprise sap 15 SP7	2.0.75-150200.3.36.1 fixed
suse enterprise server 15 SP7	2.0.75-150200.3.36.1 fixed

Known Exploits!

https://github.com/netty/netty/security/advisories/GHSA-pwqr-wmgm-9rr8

Common Weakness Enumeration

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Vulnerability Media Exposure

[GERMAN] Netty: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Netty ausnutzen, um Sicherheitsvorkehrungen zu umgehen und einen Denial of Service zu verursachen.
Published: 2026-03-24T23:00:00+00:00

References

https://github.com/netty/netty/security/advisories/GHSA-pwqr-wmgm-9rr8

https://w4ke.info/2025/06/18/funky-chunks.html

https://w4ke.info/2025/10/29/funky-chunks-2.html

https://www.rfc-editor.org/rfc/rfc9110