Unrated severityNVD Advisory· Published Oct 30, 2005· Updated Jun 16, 2026
CVE-2005-3374
CVE-2005-3374
Description
Multiple interpretation error in F-Prot 3.16c allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an "MZ" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a "triple headed" program that contains EXE, EML, and HTML content, aka the "magic byte bug."
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Affected products
2- cpe:2.3:a:frisk_software:f-prot_antivirus:3.16c:*:*:*:*:*:*:*
- Range: 3.16c
Patches
Vulnerability mechanics
References
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