CVE-2026-1678 - dns: memory‑safety issue in the DNS name parser

CVE ID : CVE-2026-1678 Published : March 5, 2026, 6:21 a.m. | 1 hour, 5 minutes ago Description : dns_unpack_name() caches the buffer tailroom once and reuses it while appending DNS labels. As the buffer grows, the cached size becomes incorrect, and the final null terminator can be written past the buffer. With assertions disabled (default), a malicious DNS response can trigger an out-of-bounds write when CONFIG_DNS_RESOLVER is enabled. Severity: 9.4 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...