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CVE-2012-5671

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…

Medium6.8EPSS 8.4%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2012-5671, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
8.4% · top 5.0% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (15)

Sources

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Record last updated .