VULNERABILITY INTELLIGENCE
CVE-2026-5172
CVSS score7.3 HIGH
EPSS probability2.68%
CISA KEVNot currently listed
Published2026-05-11
Last modified2026-08-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Description
A buffer overflow in dnsmasq’s extract_addresses() function allows an attacker to trigger a heap out-of-bounds read and crash by exploiting a malformed DNS response, enabling extract_name() to advance the pointer past the record’s end.
Weakness classification
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-125