Ubuntu Security Notice 2727-1 - It was discovered that GnuTLS incorrectly handled parsing CRL distribution points. A remote attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. Kurt Roeckx discovered that GnuTLS incorrectly handled a long DistinguishedName (DN) entry in a certificate. A remote attacker could possibly use this issue to cause a denial of service, or execute arbitrary code. Various other issues were also addressed.
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Gentoo Linux Security Advisory 201506-3 - Multiple vulnerabilities have been fixed in GnuTLS, the worst of which can cause Denial of Service. Versions less than 3.3.15 are affected.
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