CVE-2012-5671

EPSS 31.6%

exim4 - heap overflow

Published: 10/31/2012Modified: 4/28/2026

Description

Heap-based buffer overflow in the dkim_exim_query_dns_txt function in dkim.c in Exim 4.70 through 4.80, when DKIM support is enabled and acl_smtp_connect and acl_smtp_rcpt are not set to "warn control = dkim_disable_verify," allows remote attackers to execute arbitrary code via an email from a malicious DNS server.

Affected packages (2)

References (1)