---
id: CVE-2025-61723
title: >-
  The processing time for parsing some invalid inputs scales non-linearly with
  respect to the size of the input
summary: >-
  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.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: golang
product: go
affected:
  - go < 1.24.8
  - 'go >= 1.25.0, < 1.25.2'
patched:
  - go 1.25.2
published: '2025-10-29'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T10:10:00.227'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-61723'
references:
  - url: 'https://go.dev/cl/709858'
    label: security@golang.org
  - url: 'https://go.dev/issue/75676'
    label: security@golang.org
  - url: 'https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI'
    label: security@golang.org
  - url: 'https://pkg.go.dev/vuln/GO-2025-4009'
    label: security@golang.org
  - url: 'http://www.openwall.com/lists/oss-security/2025/10/08/1'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00661
epssPercentile: 0.50072
ingestedAt: '2026-10-08T10:28:17.872Z'
---

## Overview

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.

## Affected

- `go < 1.24.8`
- `go >= 1.25.0, < 1.25.2`

## Remediation

Upgrade past the affected range:

- `go 1.25.2`
