Secunia

Some vulnerabilities have been reported in F-Prot Antivirus, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An input validation error when processing the nb_dir field field of a CHM file's header can be exploited to cause an invalid memory access.

2) An unspecified error can be exploited to crash the engine via a specially crafted UPX-compressed file.

3) An unspecified error can be exploited to cause the engine to enter an infinite loop via a specially crafted Microsoft Office file.

4) An unspecified error can be exploited to cause a crash in the 64-bit engine when scanning ASPack-compressed files.

Solution
Update to the latest product/engine versions.
Further details available in Customer Area

Provided and/or discovered by
1) Sergio Alvarez of n.runs AG

Changelog
Further details available in Customer Area

Original Advisory
FRISK:
http://www.f-prot.com/download/ReleaseNotesWindows.txt

n.runs:
http://www.nruns.com/security_advisory_fprot_out-of-bound_memory_access_DoS.php

Deep Links
Links available in Customer Area