VMware Security Advisory 2011-0013 - Update 2 for vCenter Server 4.1, vCenter Update Manager 4.1, vSphere Hypervisor (ESXi) 4.1 and ESX 4.1 addresses several security issues.
bfa44b90a996832dc4d48ee3d88431651288c9f75d7f7f82d502411d95c5dce3Debian Linux Security Advisory 2123-1 - Several vulnerabilities have been discovered in Mozilla's Network Security Services (NSS) library.
1159efd66bdc07507b0193831b687d83442325603c2069e54b17584e72db4175Mandriva Linux Security Advisory 2010-211 - The SSL implementation in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly set the minimum key length for Diffie-Hellman Ephemeral mode, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack. Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.14, Thunderbird before 3.0.9, and SeaMonkey before 2.0.9 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors. Various other issues have also been addressed.
c4aa2dae679ba79e24b8322c372a70db3de31777d295bd7bdc83df4e576d061fMandriva Linux Security Advisory 2010-210 - Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 recognize a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority. The SSL implementation in Mozilla Firefox before 3.5.14 and 3.6.x before 3.6.11, Thunderbird before 3.0.9 and 3.1.x before 3.1.5, and SeaMonkey before 2.0.9 does not properly set the minimum key length for Diffie-Hellman Ephemeral mode, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack. Various other issues have also been addressed.
b49486071419be28e46150635739bbf1691dc4896d5fd2196ec5211581c260cfUbuntu Security Notice 1007-1 - Richard Moore discovered that NSS would sometimes incorrectly match an SSL certificate which had a Common Name that used a wildcard followed by a partial IP address. While it is very unlikely that a Certificate Authority would issue such a certificate, if an attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information. Nelson Bolyard discovered a weakness in the Diffie-Hellman Ephemeral mode (DHE) key exchange implementation which allowed servers to use a too small key length.
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