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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 Releases Updates for Wireless LAN Controller

Cisco has released updates to address multiple vulnerabilities in the Cisco Wireless LAN Controller (WLC). Exploitation of these vulnerabilities may allow a remote attacker to cause a denial-of-service condition, modify the device configuration, or bypass access control lists.

US-CERT encourages users and administrators to review Cisco security advisory cisco-sa-20100908-wlc and apply any necessary updates to help mitigate the risks.

Mozilla Releases Firefox 3.6.9

The Mozilla Foundation has released Firefox 3.6.9 to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, obtain sensitive information, leverage cross-site scripting attacks, or cause a denial-of-service condition. The Mozilla Foundation has also released Firefox 3.5.12 to address these same vulnerabilities. Some of these vulnerabilities also affect Thunderbird and SeaMonkey.

US-CERT encourages users and administrators to review the Mozilla Foundation Security Advisories released on September 7, 2010 and apply any necessary updates to help mitigate the risks.

Apple Releases Safari 5.0.2 and 4.1.2

Apple has released Safari 5.0.2 and 4.1.2 to address multiple vulnerabilities in the Safari and WebKit packages. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition.

US-CERT encourages users and administrators to review Apple article HT4333 and apply any necessary updates to help mitigate the risks.

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