{"id":"CVE-2024-42391","aliases":["EUVD-2024-39595","GHSA-29wp-p54c-r4v7"],"status":"published","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00303,"percentile":0.23218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-823"],"published":"2024-11-18T09:07:03Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"cesanta","product":"mongoose"},{"vendor":"cesanta","product":"mongoose web server"},{"vendor":"siemens","product":"reyrolle 7sr5"}],"references":[{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-42391","tags":["Third Party Advisory","advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-142885.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42391","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-29wp-p54c-r4v7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42391.json","tags":["advisory"]},{"url":"https://github.com/cesanta/mongoose","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-42391","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:07:03.674Z","modified":"2026-09-08T08:39:08.645Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:34:03.333404Z"}],"euvd":[{"id":"EUVD-2024-39595","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:07:03Z","modified":"2026-09-08T08:39:08Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:28:30.317832Z"}],"ghsa":[{"id":"GHSA-29wp-p54c-r4v7","title":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an...","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T12:30:42Z","modified":"2026-09-08T09:35:27Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T15:11:27.823827Z"}],"nvd":[{"id":"CVE-2024-42391","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T10:15:08.54Z","modified":"2026-09-08T09:17:18.303Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:10:37.632431Z"}],"osv":[{"id":"CVE-2024-42391","title":"Use of Out-of-range Pointer Offset in Mongoose Web Server library","description":"Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.","status":"published","published":"2024-11-18T09:07:03.674Z","modified":"2026-10-28T02:30:52.587783659Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T15:44:42.322107Z"}]}}