========================================================================== Ubuntu Security Notice USN-5593-1 September 01, 2022
libzstd vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM Summary: Zstandard could be made to execute arbitrary code if it received specially crafted input. Software Description: - libzstd: fast lossless compression algorithm Details: It was discovered that Zstandard incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: libzstd1 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2 zstd 1.3.1+dfsg-1~ubuntu0.16.04.1+esm2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5593-1 CVE-2019-11922
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