CVE-2025-46421 Information

Description

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.

CVSS Vector

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

Reference

https://access.redhat.com/security/cve/CVE-2025-46421 https://bugzilla.redhat.com/show_bug.cgi?id=2361962

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.8