{"id":"AZL-6791","summary":"CVE-2019-20633 affecting package patch 2.7.6-8","details":"GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.","modified":"2026-04-01T05:21:19.177485Z","published":"2020-03-25T17:15:14Z","upstream":["CVE-2019-20633"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20633"}],"affected":[{"package":{"name":"patch","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/patch"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.7.6-8"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6791.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}