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CVE-2003-1557 — HIGH severity vulnerability (Off-by-one buffer overflow in spamc of SpamAssassin 2.40 thr)

Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.

CVE IDCVE-2003-1557
SeverityHIGH
CVSS score7.6
CVSS vectorAV:N/AC:H/Au:N/C:C/I:C/A:C
CWECWE-119
StatusModified
Published2003-12-31
Last modified2026-04-16
DescriptionOff-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.
SourceNIST National Vulnerability Database

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