CVE-2025-46421

Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server

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.

Remediation

Workaround:

  • Currently, no mitigation is available for this vulnerability.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service
Affected: Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Affected: Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Affected: Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Affected: Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Affected: Red Hat Red Hat Enterprise Linux 6
Affected: Red Hat Red Hat Enterprise Linux 7
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2025:4439 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4440 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4508 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4538 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4560 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4568 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4609 vendor advisory
https://access.redhat.com/errata/RHSA-2025:4624 vendor advisory
https://access.redhat.com/errata/RHSA-2025:7436 vendor advisory
https://access.redhat.com/errata/RHSA-2025:7505 vendor advisory
https://access.redhat.com/security/cve/CVE-2025-46421 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2361962 issue tracking

Frequently Asked Questions

What is the severity of CVE-2025-46421?
CVE-2025-46421 has been scored as a medium severity vulnerability.
How to fix CVE-2025-46421?
As a workaround for remediating CVE-2025-46421: Currently, no mitigation is available for this vulnerability.
Is CVE-2025-46421 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46421 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46421?
CVE-2025-46421 affects Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service, Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions, Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Red Hat Enterprise Linux 6, Red Hat Red Hat Enterprise Linux 7.
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