{"id":"CVE-2026-2659","aliases":["DEBIAN-CVE-2026-2659","EUVD-2026-7643","GHSA-4mcw-fcqm-vqg3","UBUNTU-CVE-2026-2659"],"status":"published","title":"Squirrel sqfuncstate.cpp PopTarget out-of-bounds","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. 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":"2026-11-11","score":0.0024,"percentile":0.15186,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125"],"published":"2026-02-18T17:32:07Z","modified":"2026-10-28T17:00:07Z","affected":[{"source":"osv","ecosystem":"Debian:13","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8.2","3.1-8.2+deb13u1","3.1-8.3","3.1-8.4","3.1-8.5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-4","3.1-5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8","3.1-8build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8build1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8.2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8.3","3.1-8.4","3.1-8.5"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"squirrel3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1-8.2","3.1-8.3"]}],"products":[{"vendor":"squirrel-lang","product":"squirrel"}],"references":[{"url":"https://vuldb.com/?id.346457","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.346457","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.753163","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/albertodemichelis/squirrel/issues/311","tags":["issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/oneafter/0122/blob/main/i311/repro","tags":["exploit","Exploit","evidence","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2659","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4mcw-fcqm-vqg3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2659.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-2659","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-2659","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-2659","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-2659","title":"Squirrel sqfuncstate.cpp PopTarget out-of-bounds","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T17:32:07.517Z","modified":"2026-02-23T10:18:34.219Z","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-2026-7643","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T17:32:07Z","modified":"2026-02-23T10:18:34Z","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-4mcw-fcqm-vqg3","title":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the...","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T18:30:41Z","modified":"2026-02-18T18:30:51Z","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"],"updated_at":"2026-11-02T15:06:15.594622Z"}],"nvd":[{"id":"CVE-2026-2659","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T18:24:34.61Z","modified":"2026-06-17T10:31:29.15Z","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"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-2659","title":"Squirrel sqfuncstate.cpp PopTarget out-of-bounds","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T17:32:07.517Z","modified":"2026-10-28T02:31:03.306640768Z","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-2026-2659","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T18:24:34.61Z","modified":"2026-10-28T17:00:07.553051693Z","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-2026-2659","description":"A vulnerability was determined in Squirrel up to 3.2. Affected by this vulnerability is the function SQFuncState::PopTarget of the file src/squirrel/squirrel/sqfuncstate.cpp. Executing a manipulation of the argument _target_stack can lead to out-of-bounds read. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-18T18:24:00Z","modified":"2026-10-17T12:56:18.018504843Z","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"}]}}