CVE-2026-42586
high
CVSS v3
7.1
CVSS v4 NEW
โ
VIR risk
7.1
Description
Netty Redis Codec Encoder has a CRLF Injection Issue
Predictions
Exploit likelihood
70%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
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-redis | >=4.2.0.Alpha1,<4.2.13.Final | 4.2.13.Final |
| Maven | io.netty:netty-codec-redis | <4.1.133.Final | 4.1.133.Final |
| MAVEN | io.netty:netty-codec-redis | <= 4.1.132.Final | 4.1.133.Final |
| MAVEN | io.netty:netty-codec-redis | >= 4.2.0.Alpha1, <= 4.2.12.Final | 4.2.13.Final |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| netty | netty | {"endExcluding":"4.1.133"} | 4.1.133 |
References
- https://github.com/netty/netty/security/advisories/GHSA-rgrr-p7gp-5xj7
- https://github.com/netty/netty/security/advisories/GHSA-84h7-rjj3-6jx4
- https://github.com/netty/netty/security/advisories/GHSA-jq43-27x9-3v86
- https://nvd.nist.gov/vuln/detail/CVE-2026-42586
- https://github.com/netty/netty
- https://redis.io/docs/reference/protocol-spec
- https://www.suse.com/security/cve/CVE-2026-42586.html
- https://security-tracker.debian.org/tracker/CVE-2026-42586
- https://github.com/advisories/GHSA-rgrr-p7gp-5xj7
CWEs
CWE-93
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.