{"id":"CVE-2020-28596","aliases":["DEBIAN-CVE-2020-28596","EUVD-2020-20994","GHSA-v5r5-m654-v47x","UBUNTU-CVE-2020-28596"],"status":"published","title":"A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of...","description":"A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01586,"percentile":0.75759,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-02-10T21:51:30Z","modified":"2026-10-26T12:02:42Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.0+dfsg-4","2.5.2+dfsg-1","2.6.0+dfsg-1","2.6.0+dfsg-2","2.6.0+dfsg-3","2.6.1+dfsg-1","2.6.1+dfsg-2","2.6.1+dfsg-3","2.6.1+dfsg-4","2.6.1+dfsg-4.1","2.7.1+dfsg-1","2.7.2+dfsg-1","2.7.4+dfsg-1","2.7.4+dfsg-1.1","2.7.5~rc1+dfsg-1","2.8.0+dfsg-1","2.8.1+dfsg2-1","2.8.1+dfsg2-2","2.9.0+dfsg-1","2.9.1+dfsg-1","2.9.2+dfsg-1","2.9.2+dfsg-2","2.9.3+dfsg-1","2.9.3+dfsg-2","2.9.4+dfsg-1","2.9.4+dfsg-2","2.9.4+dfsg-3","2.9.4+dfsg-4","2.9.5+dfsg-1","2.9.6+dfsg-1","2.9.6+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.2+dfsg-1","2.9.2+dfsg-2","2.9.3+dfsg-1","2.9.3+dfsg-2","2.9.4+dfsg-1","2.9.4+dfsg-2","2.9.4+dfsg-3","2.9.4+dfsg-4","2.9.5+dfsg-1","2.9.6+dfsg-1","2.9.6+dfsg-2"]},{"source":"osv","ecosystem":"Debian:14","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.2+dfsg-1","2.9.2+dfsg-2","2.9.3+dfsg-1","2.9.3+dfsg-2","2.9.4+dfsg-1","2.9.4+dfsg-2","2.9.4+dfsg-3","2.9.4+dfsg-4","2.9.5+dfsg-1","2.9.6+dfsg-1","2.9.6+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.37.0+dfsg-1.1","1.37.0+dfsg-1.1build1","1.38.0+dfsg-1","1.39.0+dfsg-1","1.39.1+dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.39.2+dfsg-1build3","1.39.2+dfsg-1build4","2.1.1+dfsg-1","2.1.1+dfsg-2","2.1.1+dfsg-2build1","2.1.1+dfsg-2build2","2.1.1+dfsg-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.1+dfsg-1","2.4.0+dfsg-1","2.4.0+dfsg-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.2+dfsg-1","2.7.2+dfsg-1build1","2.7.2+dfsg-1build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.1+dfsg-1","2.9.2+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.4+dfsg-4","2.9.6+dfsg-1","2.9.6+dfsg-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"slic3r-prusa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.9.2+dfsg-1","2.9.4+dfsg-2ubuntu1","2.9.4+dfsg-4"]}],"products":[{"vendor":"prusa3d","product":"prusaslicer"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1220","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28596"},{"url":"https://github.com/advisories/GHSA-v5r5-m654-v47x"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-28596","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-28596","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-28596","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-28596","description":"A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). 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An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-24T17:41:42Z","modified":"2023-01-29T05:05:19Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:45.932105Z"}],"nvd":[{"id":"CVE-2020-28596","description":"A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-02-10T22:15:13.53Z","modified":"2026-06-17T03:10:35.403Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:34.188486Z"}],"osv":[{"id":"CVE-2020-28596","description":"A stack-based buffer overflow vulnerability exists in the Objparser::objparse() functionality of Prusa Research PrusaSlicer 2.2.0 and Master (commit 4b040b856). A specially crafted obj file can lead to code execution. 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An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2021-02-10T22:15:00Z","modified":"2026-10-17T12:56:54.905487488Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"}]}}