Ubuntu Security Notice 1226-1 - Dan Rosenberg discovered that Samba incorrectly handled changes to the mtab file. A local attacker could use this issue to corrupt the mtab file, possibly leading to a denial of service. Jan Lieskovsky discovered that Samba incorrectly filtered certain strings being added to the mtab file. A local attacker could use this issue to corrupt the mtab file, possibly leading to a denial of service. This issue only affected Ubuntu 10.04 LTS. Various other issues were also addressed.
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