PT-2026-6571 · Unknown+1 · Dnsmasq-Utils+1

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CVE-2020-37127

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Published

2026-02-05

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Updated

2026-05-26

CVSS v4.0

6.9

Medium

VectorAV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions Dnsmasq-utils version 2.79-1
Description The software contains a buffer overflow in the dhcp release utility. An attacker can cause a denial of service by providing input exceeding 16 characters, leading to a core dump and process termination. The vulnerability is triggered by supplying excessive input to the dhcp release utility.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Stack Overflow

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Weakness Enumeration

Related Identifiers

CVE-2020-37127
USN-8311-1

Affected Products

Dnsmasq-Utils
Ubuntu