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The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Cisco IOS Software Vulnerability

Cisco has released a security advisory to address a vulnerability affecting IOS Software Release 15.1(2)T. This vulnerability may allow an attacker to cause a denial-of-service condition by sending a specially crafted packet through normal network traffic.

US-CERT encourages users and administrators to review Cisco advisory cisco-sa-20100812-tcp and apply any necessary updates to help mitigate the risks.

Apple Releases QuickTime 7.6.7

Apple has released QuickTime 7.6.7 for Windows to address a vulnerability. This vulnerability is due to a stack buffer overflow that exists in QuickTime error logging. By convincing a user to open a specially crafted movie file, a remote attacker may be able to execute arbitrary code or cause a denial-of-service condition.

US-CERT encourages users and administrators to review Apple article HT4290 and update to QuickTime 7.6.7 to help mitigate the risks.

Apple Releases Updates for iPhone, iPod touch, and iPad

Apple has released iOS 4.0.2 for the iPhone and iPod touch and iOS 3.2.2 for the iPad to address vulnerabilities in the FreeType and IOSurface packages. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code or gain system privileges.

iPhone and iPod touch users are encouraged to review Apple article HT4291 and upgrade to iOS 4.0.2. iPad users are encouraged to review Apple article HT4292 and upgrade to iOS 3.2.2. Additional information regarding the vulnerability affecting the FreeType package can be found in US-CERT Vulnerability Note VU#275247.

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