CVE-2026-18238

MediumCVSS 5.0/10Last modified Sep 8, 2026

Description

The rpcap client code that processes a RPCAP_MSG_PACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the captured packet.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Weakness enumeration

CWE-126 CWE-1288

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Sep 5, 2026
Last modified: Sep 8, 2026
NVD status: Awaiting Analysis

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