Microsoft · Windows · CVE-2005-3267
**Name of the Vulnerable Software and Affected Versions**
Skype versions prior to 1.4.x.84 on Windows
Skype versions prior to 1.3.x.17 on Mac OS
Skype versions prior to 1.2.x.18 on Linux
Skype versions 1.1.x.6 and earlier
**Description**
The issue is caused by an integer overflow that leads to a heap-based buffer overflow when the Skype client processes crafted network data with a large Object Counter value. This can result in a denial of service, causing the client to crash.
**Recommendations**
For Windows versions prior to 1.4.x.84, update to version 1.4.x.84 or later.
For Mac OS versions prior to 1.3.x.17, update to version 1.3.x.17 or later.
For Linux versions prior to 1.2.x.18, update to version 1.2.x.18 or later.
For versions 1.1.x.6 and earlier, update to a version later than 1.1.x.6.