What is CVE-2025-61723?

CVE-2025-61723 is a high-severity vulnerability in Golang Go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-10-29.

How severe is CVE-2025-61723?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Golang Go

CVE-2025-61723

The processing time for parsing some invalid inputs scales non-linearly with respect to the size of the input. This affects programs which parse untrusted PEM inputs.

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Golang Go
Go Standard Library Encoding/pem — versions 0, 1.25.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@golang.org (Issue Tracking)
security@golang.org (Patch)
security@golang.org (Mailing List, Release Notes)
security@golang.org (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-61723?: CVE-2025-61723 is a high-severity vulnerability in Golang Go, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-10-29.
How severe is CVE-2025-61723?: High severity. CVSS v3 base score is 7.5 out of 10.