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CVE-2003-1557
Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute…
High7.6EPSS 4.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.4% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.
Weakness
Affected products
n/a
- affected n/a
References (6)
- GLSA-200302-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 6679 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- spamassassin-spamc-offbyone-bo(11154) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20030123 SpamAssassin / spamc+BSMTP remote buffer overflow (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20030204 Re: GLSA: Mail-SpamAssasin (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 7983 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2003-1557)Record last updated .