HIGH 7.5 Microsoft

CVE-2025-4948

Libsoup: integer underflow in soup_multipart_new_from_message() leading to denial of service in libsoup

Microsoft Security Update 2025-May: Libsoup: integer underflow in soup_multipart_new_from_message() leading to denial of service in libsoup

Affected Products

cbl2 libsoup 3.0.4-8 on CBL Mariner 2.0
azl3 libsoup 3.4.4-8 on Azure Linux 3.0
cbl2 libsoup 3.0.4-7 on CBL Mariner 2.0
azl3 libsoup 3.4.4-7 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-4948
https://nvd.nist.gov/vuln/detail/CVE-2025-4948

Published: 2025-05-13 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.5 was published on 2025-05-13 via Microsoft. Affected: cbl2 libsoup 3.0.4-8 on CBL Mariner 2.0, azl3 libsoup 3.4.4-8 on Azure Linux 3.0, cbl2 libsoup 3.0.4-7 on CBL Mariner 2.0 and 1 more.

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