What is CVE-2026-14258?

CVE-2026-14258 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling

Which CVE IDs does CVE-2026-14258 cover?

CVE-2026-14258 covers the following CVE IDs: CVE-2026-14258. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-14258?

CVE-2026-14258 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-14258?

CVE-2026-14258 affects 2 products, including: azl3 dhcpcd 10.0.8-2 on Azure Linux 3.0; azl3 dhcpcd 10.0.8-4 on Azure Linux 3.0.

CVE-2026-14258MediumCVSS 6.5

Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling

Vendor

Microsoft Security Response Center (MSRC)

Published

July 7, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-14258 →

🎯 Affected products2

azl3 dhcpcd 10.0.8-2 on Azure Linux 3.0
azl3 dhcpcd 10.0.8-4 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 10.0.8-4

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-14258
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade