---
id: CVE-2024-34158
aliases:
  - GO-2024-3107
  - BIT-golang-2024-34158
title: Stack exhaustion in Parse in go/build/constraint
summary: Stack exhaustion in Parse in go/build/constraint
severity: none
vendor: stdlib
product: stdlib
ecosystem: go
affected:
  - 'stdlib >= 1.23.0-0, < 1.23.1'
patched:
  - stdlib 1.23.1
published: '2024-09-06'
updated: '2026-08-04'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GO-2024-3107'
references:
  - url: 'https://go.dev/cl/611240'
  - url: 'https://go.dev/issue/69141'
  - url: 'https://groups.google.com/g/golang-dev/c/S9POB9NCTdk'
tags:
  - osv
  - go
epss: 0.01046
epssPercentile: 0.62175
ingestedAt: '2026-08-04T19:12:35.965Z'
---

## Overview

Calling Parse on a "// +build" build tag line with deeply nested expressions can cause a panic due to stack exhaustion.

## Affected packages

- `stdlib >= 1.23.0-0, < 1.23.1`

## Remediation

Upgrade to a patched release:

- `stdlib 1.23.1`