Sigstore Timestamp Authority allocates excessive memory during request parsing

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-66564 · Microsoft / collected KEV context

EUVD-2025-201319

GHSA-4qg8-fj49-pxjh

GO-2025-4192

cve-program · CVE-2025-66564

• https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-4qg8-fj49-pxjh
• https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421

euvd · EUVD-2025-201319

• https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-4qg8-fj49-pxjh
• https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421

nvd · CVE-2025-66564

• https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421
• https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-4qg8-fj49-pxjh

osv · GHSA-4qg8-fj49-pxjh

• https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-4qg8-fj49-pxjh
• https://nvd.nist.gov/vuln/detail/CVE-2025-66564
• https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421
• https://github.com/sigstore/timestamp-authority

osv · GO-2025-4192

• https://github.com/sigstore/timestamp-authority/security/advisories/GHSA-4qg8-fj49-pxjh
• https://nvd.nist.gov/vuln/detail/CVE-2025-66564
• https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421

No related operational record is retained in the current change model.