DEBIAN-CVE-2026-54787

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window of an ExpiringKey wrapping a self-managed long-lived signing key without a certificate, which can allow an attacker holding expired...

CVE-2024-45395

Sigstore-go versions before 0.6.1 are vulnerable to an Endless data attack when verifying Sigstore Bundles containing large amounts of verifiable data (signed transparency log entries, RFC 3161 timestamps, attestation subjects). The issue causes high CPU usage and can disrupt verification process...