What’s Vulnerable › Vulnerabilities

CVE-2025-46421: Libsoup: information disclosure may leads libsoup client sends authorization header to a different host when being redirected by a server

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-24 · updated 2026-06-30
• Weakness: CWE-497

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.

Affected products

• Red Hat Enterprise Linux 10: all versions — fixed in 0:3.6.5-3.el10_0
• Red Hat Enterprise Linux 8: all versions — fixed in 0:2.62.3-8.el8_10
• Red Hat Enterprise Linux 8.2 Advanced Update Support: all versions — fixed in 0:2.62.3-1.el8_2.4
• Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: all versions — fixed in 0:2.62.3-2.el8_4.4
• Red Hat Enterprise Linux 8.4 Telecommunications Update Service: all versions — fixed in 0:2.62.3-2.el8_4.4
• Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions: all versions — fixed in 0:2.62.3-2.el8_4.4
• Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: all versions — fixed in 0:2.62.3-2.el8_6.4
• Red Hat Enterprise Linux 8.6 Telecommunications Update Service: all versions — fixed in 0:2.62.3-2.el8_6.4
• Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions: all versions — fixed in 0:2.62.3-2.el8_6.4
• Red Hat Enterprise Linux 8.8 Extended Update Support: all versions — fixed in 0:2.62.3-3.el8_8.4
• Red Hat Enterprise Linux 9: all versions — fixed in 0:2.72.0-10.el9_6.1
• Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions: all versions — fixed in 0:2.72.0-8.el9_0.4
• Red Hat Enterprise Linux 9.2 Extended Update Support: all versions — fixed in 0:2.72.0-8.el9_2.4
• Red Hat Enterprise Linux 9.4 Extended Update Support: all versions — fixed in 0:2.72.0-8.el9_4.4

How to fix

Upgrade to a fixed version: Red Hat Enterprise Linux 10 0:3.6.5-3.el10_0; Red Hat Enterprise Linux 8 0:2.62.3-8.el8_10; Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.62.3-1.el8_2.4; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.62.3-2.el8_4.4; Red Hat Enterprise Linux 8.4 Telecommunications Update Service 0:2.62.3-2.el8_4.4; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions 0:2.62.3-2.el8_4.4; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.62.3-2.el8_6.4; Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.62.3-2.el8_6.4; Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.62.3-2.el8_6.4; Red Hat Enterprise Linux 8.8 Extended Update Support 0:2.62.3-3.el8_8.4; Red Hat Enterprise Linux 9 0:2.72.0-10.el9_6.1; Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.72.0-8.el9_0.4. Check the vendor advisory for mitigations.

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

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