{"id":"CVE-2026-2644","aliases":["DEBIAN-CVE-2026-2644","EUVD-2026-7650","GHSA-qfwf-756h-2p4g","UBUNTU-CVE-2026-2644"],"status":"published","title":"niklasso minisat DIMACS File SolverTypes.h value out-of-bounds","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00249,"percentile":0.16373,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125","CWE-787"],"published":"2026-02-18T07:02:06Z","modified":"2026-10-28T02:30:36Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5","1:2.2.1-6","1:2.2.1-7","1:2.2.1-8"]},{"source":"osv","ecosystem":"Debian:13","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-8"]},{"source":"osv","ecosystem":"Debian:14","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-8"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5","1:2.2.1-5build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5build1","1:2.2.1-5build2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-5build2","1:2.2.1-6","1:2.2.1-7","1:2.2.1-8","1:2.2.1-8build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-8build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-8build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"minisat2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.2.1-8build1","1:2.2.1-8build2"]}],"products":[{"vendor":"minisat","product":"minisat"},{"vendor":"niklasso","product":"minisat"}],"references":[{"url":"https://vuldb.com/?id.346406","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.346406","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.752775","tags":["third-party-advisory","Exploit","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/niklasso/minisat/issues/55","tags":["issue-tracking","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://github.com/niklasso/minisat/issues/55#issue-3832527387","tags":["exploit","issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/niklasso/minisat/","tags":["product","Product","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2644","tags":["advisory"]},{"url":"https://github.com/niklasso/minisat"},{"url":"https://github.com/advisories/GHSA-qfwf-756h-2p4g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2644.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-2644","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-2644","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-2644","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-2644","title":"niklasso minisat DIMACS File SolverTypes.h value out-of-bounds","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:02:06.761Z","modified":"2026-02-23T10:17:07.282Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-7650","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:02:06Z","modified":"2026-02-23T10:17:07Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:48:32.640352Z"}],"ghsa":[{"id":"GHSA-qfwf-756h-2p4g","title":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function...","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T09:31:04Z","modified":"2026-02-20T18:32:28Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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":"low"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-02T15:06:18.00539Z"}],"nvd":[{"id":"CVE-2026-2644","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:16:11.23Z","modified":"2026-06-17T10:31:27.233Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-119","CWE-125","CWE-787"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-2644","title":"niklasso minisat DIMACS File SolverTypes.h value out-of-bounds","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:02:06.761Z","modified":"2026-10-28T02:30:36.801231007Z","cvss":[{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"DEBIAN-CVE-2026-2644","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:16:11.23Z","modified":"2026-10-01T03:03:01.203965022Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"UBUNTU-CVE-2026-2644","description":"A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS File Parser. This manipulation of the argument variable index with the input 2147483648 causes out-of-bounds read. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T07:16:00Z","modified":"2026-10-17T12:55:31.103414696Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":1.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T16:56:08.726452Z"}]}}