CVE-2026-18238

Katalog CVE

CVSS 5.0 · Medium EPSS 0,18%

Kerentanan Buffer Over-read. Skor CVSS 3.1 5.0 (Medium) menurut tcpdump.org.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

5 September 2026

Terakhir diubah

8 September 2026

Status NVD

Awaiting Analysis

CVSS 3.1

5.0 (Medium), sumber tcpdump.org
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-126: Buffer Over-read
CWE-1288: Improper Validation of Consistency within Input

EPSS (30 hari)

0,18% peluang dieksploitasi; lebih tinggi dari 6,9% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/the-tcpdump-group/libpcap/commit/b9590d482986d64673712460aae1d48d11fa0473