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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.

OpenSSL Releases OpenSSL 1.0.0b

OpenSSL has released OpenSSL 1.0.0b to address a vulnerability that may allow an attacker to execute arbitrary code.

US-CERT recommends that users and administrators of this product update to OpenSSL version 1.0.0b or apply the workaround provided in the OpenSSL security advisory. Because OpenSSL is often packaged in larger applications or operating system distributions, users and administrators should check with their software vendors for updated versions.

Adobe Releases Security Updates for Reader and Acrobat

Adobe has released security updates for Reader and Acrobat for Windows and Macintosh. These updates address multiple vulnerabilities including those described in security advisory APSA10-05, a recent Adobe PSIRT blog entry, and security bulletin APSB10-26. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition. Adobe has indicated that these updates for UNIX will be available on November 30, 2010.

Apple Releases Mac OS X v10.6.5 and Security Update 2010-007

Apple has released Mac OS X v10.6.5 and Security Update 2010-007 to address multiple vulnerabilities affecting a number of packages. Exploitation of these vulnerabilities may allow an attacker to execute arbitrary code, obtain sensitive information, conduct cross-site scripting attacks, cause a denial-of-service condition, or bypass security restrictions.

Systems using PGP WDE should not be updated. Public reports indicate that a compatibility issue exists between PGP WDE and the Mac OS X v10.6.5 update. Applying the Mac OS X v10.6.5 update to a system running PGP WDE will prevent the system from successfully booting. Additional information about this issue can be found in PGP knowledgebase article 2288.

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