{"id":"CVE-2021-32289","aliases":["EUVD-2021-19144","GHSA-922q-4mg4-99r8"],"status":"published","title":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the...","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause 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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00642,"percentile":0.51052,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-09-20T15:26:43Z","modified":"2026-10-20T10:53:48Z","products":[{"vendor":"nokia","product":"heif"}],"references":[{"url":"https://github.com/nokiatech/heif/issues/85","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32289"},{"url":"https://github.com/advisories/GHSA-922q-4mg4-99r8"}],"sources":{"cve":[{"id":"CVE-2021-32289","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:26:43Z","modified":"2024-08-03T23:17:29.237Z","updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19144","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T15:26:43Z","modified":"2024-08-03T23:17:29Z","updated_at":"2026-11-03T03:24:36.852603Z"}],"ghsa":[{"id":"GHSA-922q-4mg4-99r8","title":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the...","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2022-05-24T19:15:12Z","modified":"2023-01-30T05:02:11Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:35.225326Z"}],"nvd":[{"id":"CVE-2021-32289","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T16:15:10.87Z","modified":"2026-06-17T03:52:54.93Z","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":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-32289","description":"An issue was discovered in heif through through v3.6.2. A NULL pointer dereference exists in the function convertByteStreamToRBSP() located in nalutil.cpp. It allows an attacker to cause Denial of Service.","status":"published","published":"2021-09-20T16:15:10.87Z","modified":"2026-10-20T10:53:48.552749021Z","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":"2026-11-02T15:44:19.793849Z"}]}}