{"id":"AZL-26756","summary":"CVE-2023-2731 affecting package libtiff for versions less than 4.5.0-3","details":"A NULL pointer dereference flaw was found in Libtiff's LZWDecode() function in the libtiff/tif_lzw.c file. This flaw allows a local attacker to craft specific input data that can cause the program to dereference a NULL pointer when decompressing a TIFF format file, resulting in a program crash or denial of service.","modified":"2026-04-01T05:08:27.817193Z","published":"2023-05-17T22:15:11Z","upstream":["CVE-2023-2731"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2731"}],"affected":[{"package":{"name":"libtiff","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/libtiff"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0-3"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-26756.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"}]}