CVE-2025-12200

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.

CVSS v3 3.3 LOW
CVSS v2.0 1.7 LOW

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

1.7^/10

CVSS v2.0 : LOW

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

Exploitability : 3.1 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://shimo.im/docs/5xkGoMo0WVfY4dkX/
https://vuldb.com/?ctiid.329870
https://vuldb.com/?id.329870
https://vuldb.com/?submit.673155
https://news.ycombinator.com/item?id=45727137
https://www.openwall.com/lists/oss-security/2025/10/27/1

Configurations

No configuration.

History

28 Oct 2025, 02:15

Type	Values Removed	Values Added
References		() https://news.ycombinator.com/item?id=45727137 -

28 Oct 2025, 01:16

Type	Values Removed	Values Added
References		() https://www.openwall.com/lists/oss-security/2025/10/27/1 -

27 Oct 2025, 01:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-27 01:15

Updated : 2025-10-28 02:15

NVD link : CVE-2025-12200

Mitre link : CVE-2025-12200

CVE.ORG link : CVE-2025-12200

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

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