{"id":"CVE-2023-20809","aliases":["EUVD-2023-24988","GHSA-v45v-c49f-38p9"],"status":"published","title":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03751198; Issue ID: DTV03751198.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0009,"percentile":0.00439,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-07T03:21:56Z","modified":"2026-06-17T05:30:53Z","products":[{"vendor":"google","product":"android"},{"vendor":"mediatek","product":"mt5583"},{"vendor":"mediatek","product":"mt5691"},{"vendor":"mediatek","product":"mt5695"},{"vendor":"mediatek","product":"mt9010"},{"vendor":"mediatek","product":"mt9011"},{"vendor":"mediatek","product":"mt9012"},{"vendor":"mediatek","product":"mt9016"},{"vendor":"mediatek","product":"mt9020"},{"vendor":"mediatek","product":"mt9021"},{"vendor":"mediatek","product":"mt9022"},{"vendor":"mediatek","product":"mt9030"},{"vendor":"mediatek","product":"mt9031"},{"vendor":"mediatek","product":"mt9032"},{"vendor":"mediatek","product":"mt9215"},{"vendor":"mediatek","product":"mt9216"},{"vendor":"mediatek","product":"mt9218"},{"vendor":"mediatek","product":"mt9220"},{"vendor":"mediatek","product":"mt9221"},{"vendor":"mediatek","product":"mt9222"},{"vendor":"mediatek","product":"mt9255"},{"vendor":"mediatek","product":"mt9256"},{"vendor":"mediatek","product":"mt9266"},{"vendor":"mediatek","product":"mt9269"},{"vendor":"mediatek","product":"mt9285"},{"vendor":"mediatek","product":"mt9286"},{"vendor":"mediatek","product":"mt9288"},{"vendor":"mediatek","product":"mt9600"},{"vendor":"mediatek","product":"mt9602"},{"vendor":"mediatek","product":"mt9610"},{"vendor":"mediatek","product":"mt9611"},{"vendor":"mediatek","product":"mt9612"},{"vendor":"mediatek","product":"mt9613"},{"vendor":"mediatek","product":"mt9615"},{"vendor":"mediatek","product":"mt9617"},{"vendor":"mediatek","product":"mt9629"},{"vendor":"mediatek","product":"mt9630"},{"vendor":"mediatek","product":"mt9631"},{"vendor":"mediatek","product":"mt9632"},{"vendor":"mediatek","product":"mt9636"},{"vendor":"mediatek","product":"mt9638"},{"vendor":"mediatek","product":"mt9639"},{"vendor":"mediatek","product":"mt9650"},{"vendor":"mediatek","product":"mt9652"},{"vendor":"mediatek","product":"mt9666"},{"vendor":"mediatek","product":"mt9667"},{"vendor":"mediatek","product":"mt9669"},{"vendor":"mediatek","product":"mt9670"},{"vendor":"mediatek","product":"mt9671"},{"vendor":"mediatek","product":"mt9675"},{"vendor":"mediatek","product":"mt9685"},{"vendor":"mediatek","product":"mt9686"},{"vendor":"mediatek","product":"mt9688"},{"vendor":"mediatek, inc.","product":"mt5583, mt5691, mt5695, mt9010, mt9011, mt9012, mt9016, mt9020, mt9021, mt9022, mt9030, mt9031, mt9032, mt9215, mt9216, mt9218, mt9220, mt9221, mt9222, mt9255, mt9256, mt9266, mt9269, mt9285, mt9286, mt9288, mt9600, mt9602, mt9610, mt9611, mt9612, mt9613, mt9615, mt9617, mt9629, mt9630, mt9631, mt9632, mt9636, mt9638, mt9639, mt9650, mt9652, mt9666, mt9667, mt9669, mt9670, mt9671, mt9675, mt9685, mt9686, mt9688"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/August-2023","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20809"},{"url":"https://github.com/advisories/GHSA-v45v-c49f-38p9"}],"sources":{"cve":[{"id":"CVE-2023-20809","description":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03751198; Issue ID: DTV03751198.","status":"published","published":"2023-08-07T03:21:56.862Z","modified":"2024-10-22T19:12:32.096Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:13.912858Z"}],"euvd":[{"id":"EUVD-2023-24988","description":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03751198; Issue ID: DTV03751198.","status":"published","published":"2023-08-07T03:21:56Z","modified":"2024-10-22T19:12:32Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:05:22.224445Z"}],"ghsa":[{"id":"GHSA-v45v-c49f-38p9","title":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03751198; Issue ID: DTV03751198.","status":"published","published":"2023-08-07T06:30:28Z","modified":"2024-04-04T06:35:16Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:43.722866Z"}],"nvd":[{"id":"CVE-2023-20809","description":"In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: DTV03751198; Issue ID: DTV03751198.","status":"published","published":"2023-08-07T04:15:14.24Z","modified":"2026-06-17T05:30:53.71Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}