{"id":"CVE-2023-2731","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":"2026-05-19T12:03:11.672452936Z","published":"2023-05-17T00:00:00Z","related":["ALSA-2023:6575","SUSE-SU-2023:4736-1","SUSE-SU-2023:4869-1"],"database_specific":{"cwe_ids":["CWE-476"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2731.json","cna_assigner":"redhat"},"references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2023-2731"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2731.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2731"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230703-0009/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2207635"},{"type":"REPORT","url":"https://gitlab.com/libtiff/libtiff/-/issues/548"},{"type":"FIX","url":"https://github.com/libsdl-org/libtiff/commit/9be22b639ea69e102d3847dca4c53ef025e9527b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libsdl-org/libtiff","events":[{"introduced":"0"},{"fixed":"9be22b639ea69e102d3847dca4c53ef025e9527b"}]}],"versions":["v4.5.0rc3","v4.5.0","v4.5.0rc2","v4.4.0rc1","v4.4.0","v4.2.0","v4.3.0rc1","v4.3.0","v4.1.0","v4.0.10","v4.0.9","v4.0.8","v4.0.7","v4.0.6","v4.0.5","v4.0.4","v4.0.4beta","v4.0.3","v4.0.2","v4.0.1","v4.0.0","v4.0.0beta7","v4.0.0alpha6","v4.0.0alpha5","v4.0.0alpha4","v4.0.0alpha","v3.8.2","v3.8.1","v3.8.0","v3.7.4","v3.7.3","v3.7.2","v3.7.1","v3.7.0","v3.7.0beta2","v3.7.0beta","v3.7.0alpha","v3.6.1","v3.6.0","v3.6.0beta2","v3.5.7","v3.5.5","v3.5.4","v3.5.3"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-2731.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"}]}