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CVE-2021-45953

CRITICAL CVSS: 9.8 Published: 2022-01-01 Modified: 2026-06-17

Description

Dnsmasq 2.86 has a heap-based buffer overflow in extract_name (called from hash_questions and fuzz_util.c). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of our knowledge.

Affected Platforms

Thekelleys Dnsmasq

Weakness Type

CWE-787

References