{"id":"UBUNTU-CVE-2018-3847","details":"Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 3.42. Specially crafted images parsed via the library, can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to trigger this vulnerability and potentially gain code execution.","modified":"2025-10-24T04:46:47Z","published":"2018-08-01T19:29:00Z","upstream":["CVE-2018-3847"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-3847"},{"type":"REPORT","url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0530"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-3847"}],"affected":[{"package":{"name":"cfitsio","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/cfitsio@3.370-5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.370-5"],"ecosystem_specific":{"binaries":[{"binary_version":"3.370-5","binary_name":"libcfitsio-bin"},{"binary_version":"3.370-5","binary_name":"libcfitsio-dev"},{"binary_version":"3.370-5","binary_name":"libcfitsio2"},{"binary_version":"3.370-5","binary_name":"libcfitsio3-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-3847.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}