UBUNTU-CVE-2019-9021

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UBUNTU-CVE-2019-9021

Summary:

Details: An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.

References: https://ubuntu.com/security/CVE-2019-9021, https://ubuntu.com/security/notices/USN-3902-1, https://ubuntu.com/security/notices/USN-3902-2, https://www.cve.org/CVERecord?id=CVE-2019-9021