What is CVE-2026-9149?

CVE-2026-9149 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file

Which CVE IDs does CVE-2026-9149 cover?

CVE-2026-9149 covers the following CVE IDs: CVE-2026-9149. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-9149?

CVE-2026-9149 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-9149?

CVE-2026-9149 affects 2 products, including: azl3 libsolv 0.7.28-3 on Azure Linux 3.0; azl3 libsolv 0.7.28-4 on Azure Linux 3.0.

CVE-2026-9149MediumCVSS 6.5

Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file

Vendor

Microsoft Security Response Center (MSRC)

Published

May 28, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-9149 →

🎯 Affected products2

azl3 libsolv 0.7.28-3 on Azure Linux 3.0
azl3 libsolv 0.7.28-4 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 0.7.28-4

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-9149
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade