CVE-2025-46421

Publication date 24 April 2025

Last updated 7 May 2025


Ubuntu priority

Cvss 3 Severity Score

6.8 · Medium

Score breakdown

A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.

Status

Package Ubuntu Release Status
libsoup2.4 25.04 plucky
Fixed 2.74.3-10ubuntu0.1
24.10 oracular
Fixed 2.74.3-7ubuntu0.3
24.04 LTS noble
Fixed 2.74.3-6ubuntu1.3
22.04 LTS jammy
Fixed 2.74.2-3ubuntu0.3
20.04 LTS focal
Fixed 2.70.0-1ubuntu0.3
18.04 LTS bionic
16.04 LTS xenial
libsoup3 25.04 plucky
Not affected
24.10 oracular
Fixed 3.6.0-2ubuntu0.3
24.04 LTS noble
Fixed 3.4.4-5ubuntu0.3
22.04 LTS jammy
20.04 LTS focal Not in release

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 6.8 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N