{"id":"CVE-2026-88371","aliases":["DEBIAN-CVE-2026-88371","EUVD-2026-86270","GHSA-437j-8v4m-47vv","UBUNTU-CVE-2026-88371","openSUSE-SU-2026:12146-1"],"status":"published","title":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6()...","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00161,"percentile":0.05367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-682"],"published":"2026-09-24T00:00:00Z","modified":"2026-11-02T17:02:35Z","fixes":[{"ecosystem":"Debian:14","package":"zbar","fixed_in":["0.23.95-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.92-7","0.23.92-7+deb12u1","0.23.92-8","0.23.92-9","0.23.93-1","0.23.93-1.1","0.23.93-1.1~exp1","0.23.93-10","0.23.93-2","0.23.93-3","0.23.93-4","0.23.93-5","0.23.93-6","0.23.93-7","0.23.93-8","0.23.93-9","0.23.95-1","0.23.95-2"]},{"source":"osv","ecosystem":"Debian:13","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.93-10","0.23.93-8","0.23.93-9","0.23.95-1","0.23.95-2"]},{"source":"osv","ecosystem":"Debian:14","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.95-1"}]}],"versions":["0.23.93-10","0.23.93-8","0.23.93-9"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10+doc-9","0.10+doc-9build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10+doc-10build1","0.10+doc-10build2","0.10+doc-10ubuntu1","0.10+doc-10ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10+doc-10.1build2","0.10+doc-10.1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23-1.1","0.23-1.2","0.23-1.3","0.23-1.3ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.90-1","0.23.92-4","0.23.92-4build2","0.23.92-4ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.92-8","0.23.92-9","0.23.93-1","0.23.93-1build1","0.23.93-4build1","0.23.93-4build2","0.23.93-4build3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.93-9ubuntu1","0.23.93-9ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.23.93-8","0.23.93-9ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"zbar","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.23.95-2.1"}]}],"bundled":2}],"references":[{"url":"https://github.com/mchehab/zbar/issues/336","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88371"},{"url":"https://github.com/advisories/GHSA-437j-8v4m-47vv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-88371","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-88371","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-88371","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-88371","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-95516","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-88371","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-06T17:42:37.691Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-682"],"updated_at":"2026-11-02T13:42:04.39372Z"}],"euvd":[{"id":"EUVD-2026-86270","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-06T17:42:37Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:36.701921Z"}],"ghsa":[{"id":"GHSA-437j-8v4m-47vv","title":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6()...","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T18:31:21Z","modified":"2026-10-06T18:31:20Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-682"],"updated_at":"2026-11-02T15:12:51.459076Z"}],"nvd":[{"id":"CVE-2026-88371","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T16:17:14.1Z","modified":"2026-10-06T18:16:57.523Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-682"],"updated_at":"2026-11-02T14:12:51.036099Z"}],"osv":[{"id":"DEBIAN-CVE-2026-88371","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T16:17:14.1Z","modified":"2026-11-02T17:02:35.01195881Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:22:51.003481Z"},{"id":"UBUNTU-CVE-2026-88371","description":"ZBar commit 2ea2ca58 contains an undefined-behavior vulnerability in the Code 128 decode6() function. When processing specially crafted Code 128 input, decode_e() can return -1 for an invalid edge pattern, and decode6() subsequently left-shifts this negative signed value while constructing the edge signature. The operation invokes undefined behavior and can terminate trap-mode UBSan builds with SIGILL, resulting in denial of service.","status":"published","published":"2026-09-24T16:17:00Z","modified":"2026-10-17T13:01:15.709204346Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"openSUSE-SU-2026:12146-1","title":"libzbar-devel-0.23.95-2.1 on GA media","description":"These are all security issues fixed in the libzbar-devel-0.23.95-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-10-15T00:00:00Z","modified":"2026-10-16T17:23:13.492542239Z","updated_at":"2026-11-02T16:58:40.245664Z"}]}}