Ubuntu Security Notice 1540-2 - USN-1540-1 fixed vulnerabilities in NSS. This update provides the corresponding updates for Ubuntu 12.04 LTS. Kaspar Brand discovered a vulnerability in how the Network Security Services (NSS) ASN.1 decoder handles zero length items. If the user were tricked into opening a specially crafted certificate, an attacker could possibly exploit this to cause a denial of service via application crash. Various other issues were also addressed.
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