CVE-2025-58056
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Netty vulnerable to request smuggling due to incorrect parsing of chunk extensions
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-58056
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1:4.1.48-7+deb12u2 |
| debian | bullseye | fixed | 1:4.1.48-4+deb11u3 |
| debian | forky | fixed | 1:4.1.48-13 |
| debian | sid | fixed | 1:4.1.48-13 |
| debian | trixie | fixed | 1:4.1.48-10+deb13u1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | io.netty:netty-codec-http | <4.1.125.Final | 4.1.125.Final |
| Maven | io.netty:netty-codec-http | >=4.2.0.Alpha1,<4.2.5.Final | 4.2.5.Final |
References
- https://github.com/netty/netty/security/advisories/GHSA-fghv-69vj-qj49
- https://nvd.nist.gov/vuln/detail/CVE-2025-58056
- https://github.com/JLLeitschuh/unCVEed/issues/1
- https://github.com/netty/netty/issues/15522
- https://github.com/github/advisory-database/pull/6092
- https://github.com/netty/netty/pull/15611
- https://github.com/netty/netty/commit/edb55fd8e0a3bcbd85881e423464f585183d1284
- https://datatracker.ietf.org/doc/html/rfc9112#name-chunked-transfer-coding
- https://github.com/netty/netty
- https://w4ke.info/2025/06/18/funky-chunks.html
- https://security-tracker.debian.org/tracker/CVE-2025-58056
Verify integrity in audit chain (admin only). AS-IS.