CVE-2026-24122
cosign: improper validation of certificates that outlive expired CA certificates (bsc#1258542).
CVE-2026-24122 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-24122, released February 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.7
low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile
improper validation of certificates that outlive expired CA certificates (bsc#1258542).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cosign · Debian 14 | 3.0.6-1 | DEBIAN-CVE-2026-24122 | Feb 19, 2026 |
| cosign · opensuse-leap 15.6 | 3.0.5-150400.3.35.1 | SUSE-SU-2026:0777-1 | Mar 3, 2026 |
| cosign · opensuse-leap 16.0 | 3.0.5-160000.1.1 | OPENSUSE-SU-2026:20386-1 | Mar 18, 2026 |
| cosign · sles 15.7 | 3.0.5-150400.3.35.1 | SUSE-SU-2026:0777-1 | Mar 3, 2026 |
| cosign · sles 16.0 | 3.0.5-160000.1.1 | SUSE-SU-2026:20904-1 | Mar 18, 2026 |
| govulncheck-vulndb · opensuse-leap 15.6 | 0.0.20260226T182644-150000.1.149.1 | SUSE-SU-2026:0757-1 | Mar 3, 2026 |
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260723T184607-160000.1.1 | OPENSUSE-SU-2026:21483-1 | Jul 30, 2026 |
| trivy · opensuse-leap 16.0 | 0.74.0-160000.2.1 | OPENSUSE-SU-2026:21801-1 | Sep 7, 2026 |
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