---
id: CVE-2025-32052
title: A flaw was found in libsoup
summary: >-
  A flaw was found in libsoup. A vulnerability in the sniff_unknown() function
  may lead to heap buffer over-read.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'
cwe:
  - CWE-126
published: '2025-04-03'
updated: '2026-06-25'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-32052'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2025:4440'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:4508'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:4560'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:4568'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:7436'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2025:8292'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2025-32052'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2357069'
    label: secalert@redhat.com
  - url: 'https://gitlab.gnome.org/GNOME/libsoup/-/issues/425'
    label: secalert@redhat.com
  - url: 'https://lists.debian.org/debian-lts-announce/2025/04/msg00036.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00645
epssPercentile: 0.49528
ingestedAt: '2026-06-29T13:24:34.190Z'
---

## Overview

A flaw was found in libsoup. A vulnerability in the sniff_unknown() function may lead to heap buffer over-read.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.