{"id":"CVE-2026-24811","aliases":["AZL-75354","AZL-75363","AZL-75384","EUVD-2026-4830","GHSA-fm67-x2fw-2g76"],"status":"published","title":"An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0035,"percentile":0.29,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125","CWE-20","CWE-787"],"published":"2026-01-27T08:47:52Z","modified":"2026-11-05T05:36:30Z","affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"fltk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3.5-4"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"openjpeg2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.1-12"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"openjpeg2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.3.1-12"}]}]}],"products":[{"vendor":"root","product":"root"},{"vendor":"root-project","product":"root"}],"references":[{"url":"https://github.com/root-project/root/pull/18526","tags":["patch","Issue Tracking","Patch","fix"]},{"url":"https://root.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated/","tags":["article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24811","tags":["web","advisory"]},{"url":"https://root.cern/blog/recent-common-vulnerabilities-when-does-ROOT-need-to-be-updated"},{"url":"https://github.com/advisories/GHSA-fm67-x2fw-2g76"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24811.json","tags":["advisory"]},{"url":"https://github.com/root-project/root","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-24811","title":"An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T08:47:52.811Z","modified":"2026-02-19T16:10:51.424Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"critical","assessor":"cna"}],"cwes":["CWE-119","CWE-125","CWE-787","CWE-20"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-4830","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T08:47:52Z","modified":"2026-02-19T16:10:51Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"critical"}],"updated_at":"2026-11-02T19:48:37.056368Z"}],"ghsa":[{"id":"GHSA-fm67-x2fw-2g76","title":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with...","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T09:30:30Z","modified":"2026-02-19T18:31:43Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/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:D/RE:M/U:Amber","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:06:16.091884Z"}],"nvd":[{"id":"CVE-2026-24811","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T09:15:51.44Z","modified":"2026-06-17T10:23:37.98Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/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:D/RE:M/U:Amber","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-20","CWE-119","CWE-125","CWE-787"],"updated_at":"2026-11-02T14:12:04.769088Z"}],"osv":[{"id":"CVE-2026-24811","title":"An improper pointer arithmetic in root-project/root at builtins/zlib/inffast.c","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T08:47:52.811Z","modified":"2026-10-28T02:30:53.78515672Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"critical"}],"updated_at":"2026-11-02T15:44:59.438965Z"},{"id":"AZL-75354","title":"CVE-2026-24811 affecting package fltk 1.3.5-4","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T09:15:51Z","modified":"2026-04-21T04:38:54.535888Z","updated_at":"2026-11-02T15:28:09.474476Z"},{"id":"AZL-75363","title":"CVE-2026-24811 affecting package openjpeg2 2.3.1-12","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T09:15:51Z","modified":"2026-04-21T04:38:54.767858Z","updated_at":"2026-11-02T15:28:09.474476Z"},{"id":"AZL-75384","title":"CVE-2026-24811 affecting package openjpeg2 2.3.1-12","description":"Vulnerability in root-project root (builtins/zlib modules). This vulnerability is associated with program files inffast.C.\n\nThis issue affects root.","status":"published","published":"2026-01-27T09:15:51Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:24.456773Z"}]}}