{"id":"CVE-2018-7731","details":"An issue was discovered in Exempi through 2.4.4. XMPFiles/source/FormatSupport/WEBP_Support.cpp does not check whether a bitstream has a NULL value, leading to a NULL pointer dereference in the WEBP::VP8XChunk class.","modified":"2026-03-12T22:55:57.213502Z","published":"2018-03-06T18:29:00.580Z","related":["MGASA-2018-0239","openSUSE-SU-2024:10745-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCFXKOOATZ2B5G3G7EBXZWVZHEABN4ZV/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3668-1/"},{"type":"REPORT","url":"https://bugs.freedesktop.org/show_bug.cgi?id=105247"},{"type":"FIX","url":"https://cgit.freedesktop.org/exempi/commit/?id=aabedb5e749dd59112a3fe1e8e08f2d934f56666"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-7731.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2.4.4"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"17.10"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}