{"id":"CVE-2021-43758","aliases":["EUVD-2021-30665","GHSA-x68c-ch5g-g8h6"],"status":"published","title":"Adobe Media Encoder MP4 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability","description":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious MP4 file.","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00346,"percentile":0.28535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-07-12T11:17:43Z","modified":"2026-06-17T04:11:21Z","products":[{"vendor":"adobe","product":"media encoder"},{"vendor":"adobe","product":"media_encoder"}],"references":[{"url":"https://helpx.adobe.com/security/products/media-encoder/apsb21-118.html","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43758"},{"url":"https://github.com/advisories/GHSA-x68c-ch5g-g8h6"}],"sources":{"cve":[{"id":"CVE-2021-43758","title":"Adobe Media Encoder MP4 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability","description":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious MP4 file.","status":"published","published":"2023-07-12T11:17:43.644Z","modified":"2025-03-05T18:53:59.844Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30665","description":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious MP4 file.","status":"published","published":"2023-07-12T11:17:43Z","modified":"2025-03-05T18:53:59Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T20:53:13.319718Z"}],"ghsa":[{"id":"GHSA-x68c-ch5g-g8h6","title":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read...","description":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious MP4 file.","status":"published","published":"2023-07-12T12:31:36Z","modified":"2024-04-04T06:03:54Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:56:38.758376Z"}],"nvd":[{"id":"CVE-2021-43758","description":"Adobe Media Encoder versions 22.0, 15.4.2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious MP4 file.","status":"published","published":"2023-07-12T12:15:09.437Z","modified":"2026-06-17T04:11:21.847Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}