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Ubuntu Security Notice USN-5638-1

Ubuntu Security Notice 5638-1 - Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

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==========================================================================Ubuntu Security Notice USN-5638-1September 26, 2022expat vulnerability==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 16.04 ESMSummary:Expat could be made to crash or execute arbitrary code.Software Description:- expat: XML parsing C libraryDetails:Rhodri James discovered that Expat incorrectly handled memory whenprocessing certain malformed XML files. An attacker could possiblyuse this issue to cause a crash or execute arbitrary code.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 16.04 ESM:   expat                               2.1.0-7ubuntu0.16.04.5+esm6   lib64expat1                     2.1.0-7ubuntu0.16.04.5+esm6   libexpat1                         2.1.0-7ubuntu0.16.04.5+esm6In general, a standard system update will make all the necessary changes.References:   https://ubuntu.com/security/notices/USN-5638-1   CVE-2022-40674

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