# github.com/sigstore/timestamp-authority/v2 (Go) vulnerabilities

3 known vulnerabilities (1 high, 2 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/github.com/sigstore/timestamp-authority/v2

## Advisories (3)

### [CVE-2026-49835](https://cve.now/CVE-2026-49835): Sigstore Timestamp Authority: OOM due to unbounded metric label cardinality

- Severity: Medium 5.9
- Published: Jul 17, 2026
- Affected: fixed in 2.1.0.

### [CVE-2026-39984](https://cve.now/CVE-2026-39984): Sigstore Timestamp Authority has Improper Certificate Validation in verifier

- Severity: Medium 5.5
- Published: Apr 14, 2026
- Affected: fixed in 2.0.6.

### [CVE-2025-66564](https://cve.now/CVE-2025-66564): Sigstore Timestamp Authority allocates excessive memory during request parsing

- Severity: High 7.5
- Published: Dec 4, 2025
- Affected: fixed in 2.0.3.

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