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Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Fri, 12 Dec 2025 00:15:00 +0000
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threat_severity
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threat_severity
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Thu, 11 Dec 2025 15:15:00 +0000
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ssvc
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Thu, 11 Dec 2025 13:00:00 +0000
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| Description | 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. | |
| Title | Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins) | |
| First Time appeared |
Redhat
Redhat enterprise Linux |
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| Weaknesses | CWE-444 | |
| CPEs | cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux |
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| References |
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cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2025-12-11T15:05:42.681Z
Reserved: 2025-12-11T07:03:53.445Z
Link: CVE-2025-14523
Updated: 2025-12-11T14:54:32.589Z
Status : Awaiting Analysis
Published: 2025-12-11T13:15:58.983
Modified: 2025-12-12T15:18:13.390
Link: CVE-2025-14523
OpenCVE Enrichment
No data.