HIGH 8.2 Microsoft
CVE-2025-14523
Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins)
Microsoft Security Update 2025-Dec: Libsoup: libsoup: duplicate host header handling causes host-parsing discrepancy (first- vs last-value wins)
Affected Products
- azl3 libsoup 3.4.4-10 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-10 on CBL Mariner 2.0
- azl3 libsoup 3.4.4-11 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-12 on CBL Mariner 2.0
- azl3 libsoup 3.4.4-12 on Azure Linux 3.0
- azl3 libsoup 3.4.4-14 on Azure Linux 3.0
- cbl2 libsoup 3.0.4-13 on CBL Mariner 2.0
- azl3 libsoup 3.4.4-15 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-14523
- https://nvd.nist.gov/vuln/detail/CVE-2025-14523
This high severity vulnerability with a CVSS score of 8.2 was published on 2025-12-09 via Microsoft. Affected: azl3 libsoup 3.4.4-10 on Azure Linux 3.0, cbl2 libsoup 3.0.4-10 on CBL Mariner 2.0, azl3 libsoup 3.4.4-11 on Azure Linux 3.0 and 5 more.
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