{"id":"CVE-2018-8809","aliases":["EUVD-2018-20418","GHSA-2jwh-jhgm-qc2f","UBUNTU-CVE-2018-8809"],"status":"published","title":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik...","description":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01192,"percentile":0.68193,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-03-20T05:00:00Z","modified":"2026-10-20T10:50:31Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.6-3.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.0+dfsg-1","2.0.0+dfsg-1","2.1.0+dfsg-1","2.3.0+dfsg-1","2.3.0+dfsg-2","2.3.0+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1+dfsg-5build1","4.0.0+dfsg-1","4.2.1+dfsg-1","4.2.1+dfsg-2","4.2.1+dfsg-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.0+dfsg-1ubuntu1","5.5.0+dfsg-1.1ubuntu2","5.5.0+dfsg-1.1ubuntu3","5.5.0+dfsg-1.1ubuntu3+esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","5.9.8+dfsg-2ubuntu0.25.10.1","5.9.8+dfsg-2ubuntu0.25.10.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.7+ds-1","6.1.6+ds-2","6.1.6+ds-3","6.1.8+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"radare2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.8+dfsg-2","6.0.4+dfsg-1","6.0.7+ds-1"]}],"products":[{"vendor":"radare","product":"radare2"}],"references":[{"url":"https://github.com/radare/radare2/issues/9726","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8809"},{"url":"https://github.com/advisories/GHSA-2jwh-jhgm-qc2f"},{"url":"https://ubuntu.com/security/CVE-2018-8809","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-8809","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-8809","description":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.","status":"published","published":"2018-03-20T05:00:00Z","modified":"2024-08-05T07:02:26.191Z","updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20418","description":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted dex file.","status":"published","published":"2018-03-20T05:00:00Z","modified":"2024-08-05T07:02:26Z","updated_at":"2026-11-03T02:40:01.4233Z"}],"ghsa":[{"id":"GHSA-2jwh-jhgm-qc2f","title":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik...","description":"In radare2 2.4.0, there is a heap-based buffer over-read in the dalvik_op function of anal_dalvik.c. 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