USN-5310-2

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USN-5310-2

Summary: glibc vulnerabilities

Details: USN-5310-1 fixed several vulnerabilities in GNU. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that the GNU C library getcwd function incorrectly handled buffers. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-3999) It was discovered that the GNU C Library sunrpc module incorrectly handled buffer lengths. An attacker could possibly use this issue to cause the GNU C Library to crash, resulting in a denial of service. (CVE-2022-23218, CVE-2022-23219)

References: https://ubuntu.com/security/notices/USN-5310-2, https://ubuntu.com/security/CVE-2021-3999, https://ubuntu.com/security/CVE-2022-23218, https://ubuntu.com/security/CVE-2022-23219