{"id":"CVE-2019-25656","aliases":["EUVD-2019-20048","GHSA-j848-jmr8-xfgr","UBUNTU-CVE-2019-25656"],"status":"published","title":"R i386 3.5.0 Local Buffer Overflow SEH","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00165,"percentile":0.058,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-04-05T20:45:12Z","modified":"2026-10-17T12:56:08Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.1-3ubuntu1","3.0.2-1ubuntu1","3.0.2-1ubuntu1.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.2-1","3.2.2.20151203-1","3.2.3-1","3.2.3-2","3.2.3-4","3.2.3-4ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.2-1ubuntu1","3.4.2-1ubuntu2","3.4.2-2ubuntu1","3.4.3-1","3.4.3-1build1","3.4.4-1","3.4.4-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.1-4","3.6.1-7","3.6.2-2","3.6.2.20200221-1","3.6.2.20200221-1build1","3.6.3-2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.4-1build1","4.1.2-1ubuntu1","4.1.2-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-4","4.3.2-1","4.3.2-1build1","4.3.3-2build1","4.3.3-2build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.3-1","4.5.0-3","4.5.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.2-1ubuntu2","4.6.0-5","4.6.1-1","4.6.1-4","4.6.1-5"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"r-base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.1-1","4.5.2-1","4.5.2-1ubuntu1","4.5.2-1ubuntu2"]}],"products":[{"vendor":"r-project","product":"r i386"}],"references":[{"url":"https://www.exploit-db.com/exploits/46288","tags":["exploit","report"]},{"url":"https://www.r-project.org/","tags":["product","report"]},{"url":"https://cran.r-project.org/bin/windows/base/old/3.5.0/R-3.5.0-win.exe","tags":["product","report"]},{"url":"https://www.vulncheck.com/advisories/r-i386-local-buffer-overflow-seh","tags":["third-party-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25656"},{"url":"https://www.r-project.org"},{"url":"https://github.com/advisories/GHSA-j848-jmr8-xfgr"},{"url":"https://ubuntu.com/security/CVE-2019-25656","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-25656","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-25656","title":"R i386 3.5.0 Local Buffer Overflow SEH","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","status":"published","published":"2026-04-05T20:45:12.54Z","modified":"2026-04-06T18:30:46.713Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:20:19.399352Z"}],"euvd":[{"id":"EUVD-2019-20048","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","status":"published","published":"2026-04-05T20:45:12Z","modified":"2026-04-06T18:30:46Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:15.380284Z"}],"ghsa":[{"id":"GHSA-j848-jmr8-xfgr","title":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that...","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","status":"published","published":"2026-04-05T21:30:19Z","modified":"2026-04-05T21:30:19Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:07:09.736099Z"}],"nvd":[{"id":"CVE-2019-25656","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","status":"published","published":"2026-04-05T21:16:42.173Z","modified":"2026-07-24T22:10:00.14Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:50.275357Z"}],"osv":[{"id":"UBUNTU-CVE-2019-25656","description":"R i386 3.5.0 contains a local buffer overflow vulnerability in the GUI Preferences dialog that allows local attackers to trigger a structured exception handler (SEH) overwrite by supplying malicious input. Attackers can craft a payload string in the 'Language for menus and messages' field to overwrite SEH records and achieve code execution with calculator or arbitrary shellcode.","status":"published","published":"2026-04-05T21:16:00Z","modified":"2026-10-17T12:56:08.316626042Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:54:21.213407Z"}]}}