Panda Software Antivirus before 20070402 allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.

Panda Platinum Internet Security 2006 10.02.01 and 2007 11.00.00 stores service executables under the product's installation directory with weak permissions, which allows local users to obtain LocalSystem privileges by modifying (1) WebProxy.exe or (2) PAVSRV51.EXE.

Panda Platinum Internet Security 2006 10.02.01 and 2007 11.00.00 uses sequential message numbers in generated URLs that are not filtered if the user replies to a message, which might allow remote attackers to determine mail usage patterns.

The Panda Platinum Internet Security 2006 10.02.01 and 2007 11.00.00 uses predictable URLs for the spam classification of each message, which allows remote attackers to cause Panda to classify arbitrary messages as spam via a web page that contains IMG tags with the predictable URLs. NOTE: this issue could also be regarded as a cross-site request forgery (CSRF) vulnerability.

Heap-based buffer overflow in pskcmp.dll in Panda Software Antivirus library allows remote attackers to execute arbitrary code via a crafted ZOO archive.