{"id":"CVE-2026-1991","aliases":["DEBIAN-CVE-2026-1991","EUVD-2026-5585","GHSA-6rqp-5xh4-j422","UBUNTU-CVE-2026-1991"],"status":"published","title":"libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. 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":0.00214,"percentile":0.11919,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404","CWE-476"],"published":"2026-02-06T05:32:08Z","modified":"2026-10-28T02:30:42Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-2","0.0.7-1","0.0.7-2","0.0.7-3","0.0.7-4","0.0.8-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-3","0.0.7-4","0.0.8-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-3","0.0.7-4","0.0.8-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.6-2","0.0.7-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-2","0.0.7-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-4"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libuvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.7-3","0.0.7-4"]}],"products":[{"vendor":"libuvc","product":"libuvc"}],"references":[{"url":"https://vuldb.com/?id.344509","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.344509","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.743388","tags":["third-party-advisory","Exploit","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/libuvc/libuvc/issues/300","tags":["issue-tracking","Exploit","Vendor Advisory","report"]},{"url":"https://github.com/oneafter/0104/blob/main/repro","tags":["exploit","Product","evidence","report"]},{"url":"https://github.com/libuvc/libuvc/","tags":["product","Product","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1991","tags":["advisory"]},{"url":"https://github.com/libuvc/libuvc"},{"url":"https://github.com/advisories/GHSA-6rqp-5xh4-j422"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1991.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-1991","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-1991","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-1991","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-1991","title":"libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T05:32:08.14Z","modified":"2026-02-23T09:21:46.7Z","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-476","CWE-404"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-5585","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T05:32:08Z","modified":"2026-02-23T09:21:46Z","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":"2026-11-02T19:48:33.639232Z"}],"ghsa":[{"id":"GHSA-6rqp-5xh4-j422","title":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming...","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T06:30:27Z","modified":"2026-03-05T21:31:31Z","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-404","CWE-476"],"updated_at":"2026-11-02T15:06:28.064128Z"}],"nvd":[{"id":"CVE-2026-1991","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T06:15:50.24Z","modified":"2026-06-17T10:16:50.203Z","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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","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-404","CWE-476"],"updated_at":"2026-11-02T14:12:05.149641Z"}],"osv":[{"id":"CVE-2026-1991","title":"libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T05:32:08.14Z","modified":"2026-10-28T02:30:42.819979266Z","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-404","CWE-476"],"updated_at":"2026-11-02T15:44:58.024074Z"},{"id":"DEBIAN-CVE-2026-1991","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T06:15:50.24Z","modified":"2026-10-01T03:03:20.273867543Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:53.097669Z"},{"id":"UBUNTU-CVE-2026-1991","description":"A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-06T06:15:00Z","modified":"2026-10-17T12:58:47.200331594Z","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":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"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":"2026-11-02T16:56:01.334185Z"}]}}