{"id":"CVE-2026-24795","aliases":["EUVD-2026-4720","GHSA-mq76-p4g2-27qg"],"status":"published","title":"An Out-of-bounds Write in CloverHackyColor/CloverBootloader","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00149,"percentile":0.04173,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-01-27T08:23:47Z","modified":"2026-10-28T11:10:15Z","products":[{"vendor":"cloverhackycolor","product":"cloverbootloader"}],"references":[{"url":"https://github.com/CloverHackyColor/CloverBootloader/pull/733","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24795","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mq76-p4g2-27qg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24795.json","tags":["advisory"]},{"url":"https://github.com/CloverHackyColor/CloverBootloader","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-24795","title":"An Out-of-bounds Write in CloverHackyColor/CloverBootloader","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","status":"published","published":"2026-01-27T08:23:47.447Z","modified":"2026-01-27T21:38:51.796Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:19:50.92611Z"}],"euvd":[{"id":"EUVD-2026-4720","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","status":"published","published":"2026-01-27T08:23:47Z","modified":"2026-01-27T21:38:51Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium"}],"updated_at":"2026-11-02T19:48:46.818498Z"}],"ghsa":[{"id":"GHSA-mq76-p4g2-27qg","title":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal...","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","status":"published","published":"2026-01-27T09:30:29Z","modified":"2026-01-27T09:30:30Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:05:55.34225Z"}],"nvd":[{"id":"CVE-2026-24795","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","status":"published","published":"2026-01-27T09:15:49.233Z","modified":"2026-06-17T10:23:36.193Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:04.769088Z"}],"osv":[{"id":"CVE-2026-24795","title":"An Out-of-bounds Write in CloverHackyColor/CloverBootloader","description":"Out-of-bounds Write vulnerability in CloverHackyColor CloverBootloader (MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma modules). This vulnerability is associated with program files regcomp.C.\n\nThis issue affects CloverBootloader: before 5162.","status":"published","published":"2026-01-27T08:23:47.447Z","modified":"2026-10-28T11:10:15.013271527Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:44:59.438965Z"}]}}