CVE-2025-12200

medium

Description

A vulnerability was determined in dnsmasq up to 2.73rc6. Affected by this issue is the function parse_dhcp_opt of the file src/option.c of the component Config File Handler. This manipulation of the argument m causes null pointer dereference. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://www.openwall.com/lists/oss-security/2025/10/27/1

https://vuldb.com/?submit.673155

https://vuldb.com/?id.329870

https://vuldb.com/?ctiid.329870

https://shimo.im/docs/5xkGoMo0WVfY4dkX/

https://news.ycombinator.com/item?id=45727137

Details

Source: Mitre, NVD

Published: 2025-10-27

Updated: 2025-10-28

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 3.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Severity: Low

CVSS v4

Base Score: 4.8

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00013