Debian/cosign: medium 5.3
Cosign provides code signing and transparency for containers and binaries. Prior to 3.0.6 and 2.6.3, cosign verify-blob-attestation may erroneously report a "Verified OK" result for attestations with
Action: Upgrade cosign to 2.6.3-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.6.3-1 | - |
Fixed versions
| 2.6.3-1 |
Sources
- osv: DEBIAN-CVE-2026-39395#Debian:14/cosign
- https://security-tracker.debian.org/tracker/CVE-2026-39395
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