{"id":"CVE-2024-9483","aliases":["EUVD-2024-49971","GHSA-hm4r-q33h-2fw6"],"status":"published","title":"Uninitialized variable in digital signiture verification may crash the application","description":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature \u003c24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.","severity":{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00134,"percentile":0.02942,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2024-10-04T12:29:16Z","modified":"2026-06-17T08:24:39Z","products":[{"vendor":"avast","product":"antivirus"},{"vendor":"avg","product":"antivirus"},{"vendor":"avg/avast","product":"antivirus"}],"references":[{"url":"https://support.norton.com/sp/static/external/tools/security-advisories.html","tags":["Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-9483"},{"url":"https://github.com/advisories/GHSA-hm4r-q33h-2fw6"}],"sources":{"cve":[{"id":"CVE-2024-9483","title":"Uninitialized variable in digital signiture verification may crash the application","description":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature \u003c24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.","status":"published","published":"2024-10-04T12:29:16.43Z","modified":"2024-10-07T11:27:19.528Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:06.147811Z"}],"euvd":[{"id":"EUVD-2024-49971","description":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature \u003c24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.","status":"published","published":"2024-10-04T12:29:16Z","modified":"2024-10-07T11:27:19Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:27:49.014643Z"}],"ghsa":[{"id":"GHSA-hm4r-q33h-2fw6","title":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature ...","description":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature \u003c24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.","status":"published","published":"2024-10-04T15:31:21Z","modified":"2024-10-04T15:31:27Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:58:24.643851Z"}],"nvd":[{"id":"CVE-2024-9483","description":"A null-pointer-dereference in the signature verification module in AVG/Avast Antivirus signature \u003c24092400 released on 24/Sep/2024 on MacOS may allow a malformed xar file to crash the application during processing.","status":"published","published":"2024-10-04T13:15:12.98Z","modified":"2026-06-17T08:24:39.937Z","cvss":[{"version":"3.1","score":5.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","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"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:10:30.673028Z"}]}}