CVE-2025-46421
Public on 2025-04-24
Modified on 2026-06-08
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.
Severity
See what this means
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | libsoup | No Fix Planned | ||
| Amazon Linux 2 - Core | libsoup | No Fix Planned | ||
| Amazon Linux 2023 | libsoup | No Fix Planned | ||
| Amazon Linux 2023 | libsoup3 | 2025-04-29 | ALAS2023-2025-941 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |