CVE-2025-66564
Sigstore Timestamp Authority allocates excessive memory during request parsing in github.com/sigstore/timestamp-authority
7.5
HIGH
CVSS 3.1
EPSS 0.02%
Description
Sigstore Timestamp Authority allocates excessive memory during request parsing in github.com/sigstore/timestamp-authority
How to fix CVE-2025-66564
To remediate CVE-2025-66564, upgrade the affected package to a fixed version below.
- Debian/golang-github-sigstore-timestamp-authority—no fix listed
- —upgrade to 2.0.3 or later
- —no fix listed
- —upgrade to 2.0.3 or later
Is CVE-2025-66564 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0
- from 0, < 2.0.3
- from 0
- from 0, < 2.0.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |