{"id":"CVE-2023-49549","aliases":["EUVD-2023-53506","GHSA-fh95-g988-p9j3","UBUNTU-CVE-2023-49549"],"status":"published","title":"An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the...","description":"An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00758,"percentile":0.55549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2024-01-02T00:00:00Z","modified":"2026-10-28T02:30:26Z","affected":[{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"openvlbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20211207.ae3a06a-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"openvlbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.23.5-2","3.0.2-2","3.0.2-2.1build1","3.0.2-2.1build2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"openvlbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"openvlbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"openvlbi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-3"]}],"products":[{"vendor":"cesanta","product":"mjs"}],"references":[{"url":"https://github.com/cesanta/mjs/issues/251","tags":["x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49549","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fh95-g988-p9j3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49549.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-49549","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-49549","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-49549","description":"An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file.","status":"published","published":"2024-01-02T00:00:00Z","modified":"2025-06-16T19:33:45.321Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-53506","description":"An issue in Cesanta mjs 2.20.0 allows a remote 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service via the mjs_getretvalpos function in the msj.c file.","status":"published","published":"2024-01-02T23:15:12.107Z","modified":"2026-06-17T06:36:07.47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-02T14:08:59.830468Z"}],"osv":[{"id":"CVE-2023-49549","description":"An issue in Cesanta mjs 2.20.0 allows a remote attacker to cause a denial of service via the mjs_getretvalpos function in the msj.c file.","status":"published","published":"2024-01-02T00:00:00Z","modified":"2026-10-28T02:30:26.340660259Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:34.72355Z"},{"id":"UBUNTU-CVE-2023-49549","description":"An issue in Cesanta mjs 2.20.0 allows a remote attacker to 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