CVE-2026-42586

netty-tcnative: CRLF Injection in Netty Redis Codec Encoder (bsc#1265245).

CVE-2026-42586 is fixed in 5 products on 1 platform, first by libnetty-buffer-java 1:4.1.48-16ubuntu0.1~esm2, released May 13, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile

CRLF Injection in Netty Redis Codec Encoder (bsc#1265245).

Where it's fixed

ProductFixed inFixReleased
Linux
libnetty-buffer-java · Ubuntu 26.04.1 LTS (resolute) 1:4.1.48-16ubuntu0.1~esm2 libnetty-buffer-java 1:4.1.48-16ubuntu0.1~esm2 May 13, 2026
libnetty-common-java · Ubuntu 26.04.1 LTS (resolute) 1:4.1.48-16ubuntu0.1~esm2 libnetty-common-java 1:4.1.48-16ubuntu0.1~esm2 May 13, 2026
libnetty-java · Ubuntu 18.04.6 LTS (bionic) 1:4.1.7-4ubuntu0.1+esm6 libnetty-java 1:4.1.7-4ubuntu0.1+esm6 May 13, 2026
libnetty-java · Ubuntu 20.04 LTS (focal) 1:4.1.45-1ubuntu0.1~esm6 libnetty-java 1:4.1.45-1ubuntu0.1~esm6 May 13, 2026
libnetty-java · Ubuntu 22.04.1 LTS (jammy) 1:4.1.48-4+deb11u2ubuntu0.1+esm3 libnetty-java 1:4.1.48-4+deb11u2ubuntu0.1+esm3 May 13, 2026
libnetty-java · Ubuntu 24.04.5 LTS (noble) 1:4.1.48-9ubuntu0.1+esm3 libnetty-java 1:4.1.48-9ubuntu0.1+esm3 May 13, 2026
libnetty-java · Ubuntu 26.04.1 LTS (resolute) 1:4.1.48-16ubuntu0.1~esm2 libnetty-java 1:4.1.48-16ubuntu0.1~esm2 May 13, 2026
netty · sles 15.7 4.1.133-150200.4.46.1 SUSE-SU-2026:2308-1 Jun 9, 2026
netty-tcnative · sles 15.6 2.0.77-150200.3.39.1 SUSE-SU-2026:2308-1 Jun 9, 2026
netty-tcnative · sles 15.7 2.0.77-150200.3.39.1 SUSE-SU-2026:2308-1 Jun 9, 2026

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