CVE-2025-32049

Publication date 3 April 2025

Last updated 4 November 2026

Ubuntu priority

Cvss 3 Severity Score

Description

A flaw was found in libsoup. The SoupWebsocketConnection may accept a large WebSocket message, which may cause libsoup to allocate memory and lead to a denial of service (DoS).

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libsoup2.4	26.10 stonking	Vulnerable
	26.04 LTS resolute	Vulnerable
	25.10 questing	Ignored end of life, was needed
	25.04 plucky	Ignored end of life, was deferred [2026-01-13]
	24.10 oracular	Ignored end of life, was deferred [2025-07-28]
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
libsoup3	26.10 stonking	Vulnerable
	26.04 LTS resolute	Vulnerable
	25.10 questing	Ignored end of life, was needed
	25.04 plucky	Ignored end of life, was deferred [2026-01-13]
	24.10 oracular	Ignored end of life, was deferred [2025-09-23]
	24.04 LTS noble	Vulnerable
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libsoup3	Upstream: https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/408 Upstream: db87805 Upstream: 4904a46 Upstream: 2df34d9 Upstream: 4d00b45

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H