Bug 2421349 (CVE-2025-14523)
| Summary: | CVE-2025-14523 libsoup: libsoup: Duplicate Host Header Handling Causes Host-Parsing Discrepancy (First- vs Last-Value Wins) | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | unspecified | Keywords: | Security |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
A flaw in libsoup’s HTTP header handling allows multiple Host: headers in a request and returns the last occurrence for server-side processing. Common front proxies often honor the first Host: header, so this mismatch can cause vhost confusion where a proxy routes a request to one backend but the backend interprets it as destined for another host. This discrepancy enables request-smuggling style attacks, cache poisoning, or bypassing host-based access controls when an attacker supplies duplicate Host headers.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2421351, 2421352, 2421354, 2421355, 2421353, 2421356 | ||
| Bug Blocks: | |||
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Description
OSIDB Bzimport
2025-12-11 07:35:16 UTC
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:0423 https://access.redhat.com/errata/RHSA-2026:0423 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:0421 https://access.redhat.com/errata/RHSA-2026:0421 This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:0422 https://access.redhat.com/errata/RHSA-2026:0422 This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:0836 https://access.redhat.com/errata/RHSA-2026:0836 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:0868 https://access.redhat.com/errata/RHSA-2026:0868 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:0867 https://access.redhat.com/errata/RHSA-2026:0867 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:0909 https://access.redhat.com/errata/RHSA-2026:0909 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2026:0906 https://access.redhat.com/errata/RHSA-2026:0906 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:0905 https://access.redhat.com/errata/RHSA-2026:0905 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:0907 https://access.redhat.com/errata/RHSA-2026:0907 This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:0908 https://access.redhat.com/errata/RHSA-2026:0908 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2026:0911 https://access.redhat.com/errata/RHSA-2026:0911 This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2026:0925 https://access.redhat.com/errata/RHSA-2026:0925 This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:1509 https://access.redhat.com/errata/RHSA-2026:1509 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2026:1571 https://access.redhat.com/errata/RHSA-2026:1571 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:1572 https://access.redhat.com/errata/RHSA-2026:1572 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:1569 https://access.redhat.com/errata/RHSA-2026:1569 This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:1570 https://access.redhat.com/errata/RHSA-2026:1570 |