MEDIUM 6.5 Microsoft

CVE-2026-2369

Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

Microsoft Security Update 2026-Mar: Libsoup: libsoup: buffer overread due to integer underflow when handling zero-length resources

Affected Products

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-2369
https://nvd.nist.gov/vuln/detail/CVE-2026-2369

Published: 2026-03-10 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-03-10 via Microsoft. Affected: 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 and 1 more.

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