{"id":"CVE-2019-19721","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-19721","generatedAt":"2026-10-27T20:19:17.133Z","title":"An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file.","description":"An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.","published":"2020-05-15T18:15:13.000Z","lastModified":"2026-10-08T22:16:52.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-193","CWE-787"],"affected":["videolan/vlc media player"],"epss":{"score":0.01982,"percentile":0.80426,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://hg.libsdl.org/SDL_image/","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.gentoo.org/721940","tags":["Exploit","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=72afe7ebd8305bf4f5360293b8621cde52ec506b","source":"cve@mitre.org"},{"url":"https://www.videolan.org/security/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://hg.libsdl.org/SDL_image/","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.gentoo.org/721940","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.videolan.org/?p=vlc/vlc-3.0.git%3Ba=commit%3Bh=72afe7ebd8305bf4f5360293b8621cde52ec506b","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.videolan.org/security/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-19721","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}