CVE-2026-18238
5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| The Tcpdump Group | libpcap | 1.8.x | affected |
| The Tcpdump Group | libpcap | 1.9.x | affected |
| The Tcpdump Group | libpcap | 1.10.x < 1.10.7 | affected |
Weaknesses
- CWE-1288: CWE-1288: Improper Validation of Consistency within Input
- CWE-126: CWE-126 Buffer Over-read
References
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