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Status published
Medium
CVE-2025-46421
Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2025:4439
- https://access.redhat.com/errata/RHSA-2025:4440
- https://access.redhat.com/errata/RHSA-2025:4508
- https://access.redhat.com/errata/RHSA-2025:4538
- https://access.redhat.com/errata/RHSA-2025:4560
- https://access.redhat.com/errata/RHSA-2025:4568
- https://access.redhat.com/errata/RHSA-2025:4609
- https://access.redhat.com/errata/RHSA-2025:4624
- https://access.redhat.com/errata/RHSA-2025:7436
- https://access.redhat.com/errata/RHSA-2025:7505
- https://access.redhat.com/security/cve/CVE-2025-46421
- https://bugzilla.redhat.com/show_bug.cgi?id=2361962
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/439
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Affected Vendor
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View all reports →Affected Software
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
0, 0:3.6.5-3.el10_0, 0:2.62.3-8.el8_10, 0:2.62.3-1.el8_2.4, 0:2.62.3-2.el8_4.4, 0:2.62.3-2.el8_6.4, 0:2.62.3-3.el8_8.4, 0:2.72.0-10.el9_6.1, 0:2.72.0-8.el9_0.4, 0:2.72.0-8.el9_2.4, 0:2.72.0-8.el9_4.4
Timeline
Official Publish:
April 24th, 2025
Last Modified:
June 30th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N