CVE-2018-14340

PoC —

CVSS 3.0

7.5 high

EPSS

3%p88

Published

Jul 19, 2018 (Jul 19, 2018)

Modified

Jun 17, 2026

Description

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.

Vendors: wireshark debian
Products: wireshark, debian linux
Weakness: CWE-125
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.5%)

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