CVE-2026-56821
netty-tcnative: improper certificate revocation check in `io.netty:netty-handler-ssl-ocsp` (bsc#1272299).
CVE-2026-56821 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:3482-1, released August 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile
improper certificate revocation check in `io.netty:netty-handler-ssl-ocsp` (bsc#1272299).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| netty · sles 15.7 | 4.1.136-150200.4.53.1 | SUSE-SU-2026:3482-1 | Aug 4, 2026 |
| netty-tcnative · sles 15.6 | 2.0.80-150200.3.48.1 | SUSE-SU-2026:3482-1 | Aug 4, 2026 |
| netty-tcnative · sles 15.7 | 2.0.80-150200.3.48.1 | SUSE-SU-2026:3482-1 | Aug 4, 2026 |
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