CVE-2018-19278

PoC —

CVSS 3.0

7.5 high

EPSS

4%p89

Published

Nov 14, 2018 (Nov 14, 2018)

Modified

Jun 17, 2026

Description

Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length.

Vendors: digium
Products: asterisk
Weakness: CWE-119
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 (3.6%)

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