CVE-2005-0021

HighCVSS 7.2/10Last modified Jun 16, 2026

Description

Multiple buffer overflows in Exim before 4.43 may allow attackers to execute arbitrary code via (1) an IPv6 address with more than 8 components, as demonstrated using the -be command line option, which triggers an overflow in the host_aton function, or (2) the -bh command line option or dnsdb PTR lookup, which triggers an overflow in the dns_build_reverse function.

Metrics

CVSS 2.0 7.2/10AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected software

No affected versions have been published.

Timeline

Published
May 2, 2005
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2005

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CVE-2005-0021: High severity, CVSS 7.2 | Vulnix