{"id":"CVE-2023-39427","aliases":["EUVD-2023-43151","GHSA-xxcp-3qr6-x6g4"],"status":"published","title":"Ashlar-Vellum Cobalt, Xenon, Argon, Lithium Out-of-bounds Write","description":"In Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00227,"percentile":0.1348,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-10-26T19:29:07Z","modified":"2026-06-17T06:12:18Z","products":[{"vendor":"ashlar","product":"argon"},{"vendor":"ashlar","product":"cobalt"},{"vendor":"ashlar","product":"graphite"},{"vendor":"ashlar","product":"lithium"},{"vendor":"ashlar","product":"xenon"},{"vendor":"ashlar-vellum","product":"argon"},{"vendor":"ashlar-vellum","product":"cobalt"},{"vendor":"ashlar-vellum","product":"cobalt share"},{"vendor":"ashlar-vellum","product":"lithium"},{"vendor":"ashlar-vellum","product":"xenon"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-299-03","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39427"},{"url":"https://github.com/advisories/GHSA-xxcp-3qr6-x6g4"}],"sources":{"cve":[{"id":"CVE-2023-39427","title":"Ashlar-Vellum Cobalt, Xenon, Argon, Lithium Out-of-bounds Write","description":"\nIn Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.\n\n","status":"published","published":"2023-10-26T19:29:07.108Z","modified":"2025-01-16T21:27:53.916Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-43151","description":"\nIn Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.\n\n","status":"published","published":"2023-10-26T19:29:07Z","modified":"2025-01-16T21:27:53Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:18.077485Z"}],"ghsa":[{"id":"GHSA-xxcp-3qr6-x6g4","title":"\nIn Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the...","description":"\nIn Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.\n\n","status":"published","published":"2023-10-26T21:30:21Z","modified":"2023-11-15T05:04:30Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:55:02.324014Z"}],"nvd":[{"id":"CVE-2023-39427","description":"\nIn Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Share v12 SP0 Build (1204.77), the affected applications lack proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.\n\n","status":"published","published":"2023-10-26T20:15:08.51Z","modified":"2026-06-17T06:12:18.823Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:40.004465Z"}]}}