CVE-2003-0743
Heap-based buffer overflow in smtp_in.c for Exim 3 (exim3) before 3.36 and Exim 4 (exim4) before 4.21 may allow remote attackers to execute arbitrary code via an invalid (1) HELO or (2) EHLO argument with a large number of spaces followed by a NULL character and a newline, which is not properly trimmed before the "(no argument given)" string is appended to the buffer.
- EPSS
- 5.7% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- university_of_cambridge:exim
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000735
- http://marc.info/?l=bugtraq&m=106252015820395&w=2
- http://marc.info/?l=vuln-dev&m=106264740820334&w=2
- http://packages.debian.org/changelogs/pool/main/e/exim/exim_3.36-13/changelog
- http://packages.debian.org/changelogs/pool/main/e/exim4/exim4_4.34-10/changelog