---
id: CVE-2026-2369
title: >-
  Libsoup: libsoup: buffer overread due to integer underflow when handling
  zero-length resources
summary: >-
  A flaw was found in libsoup. An integer underflow vulnerability occurs when
  processing content with a zero-length resource, leading to a buffer overread.
  This can allow an attacker to potentially access sensitive information or
  cause an …
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'
cvssSource: cna
cwe:
  - CWE-191
vendor: Red Hat
product: libsoup3
affected:
  - libsoup3 (all versions)
  - libsoup
  - libsoup
  - libsoup
  - libsoup
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-03-19T14:42:24.811774Z'
published: '2026-03-19'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T19:32:07.228Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-2369'
references:
  - url: 'https://access.redhat.com/security/cve/CVE-2026-2369'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2439091'
    label: RHBZ#2439091
  - url: 'https://gitlab.gnome.org/GNOME/libsoup/-/issues/498'
tags:
  - cve.org
epss: 0.00437
epssPercentile: 0.38146
ingestedAt: '2026-11-05T22:38:31.550Z'
---

## Overview

A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an application level denial of service.

## Affected

- `libsoup3 (all versions)`
- `libsoup`
- `libsoup`
- `libsoup`
- `libsoup`

## Remediation

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

### Workarounds

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.