{"id":"CVE-2026-20551","title":"In gnss, there is a possible out of bounds write due to a missing bounds check","summary":"In gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS1130930…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"adp","cwe":["CWE-787"],"vendor":"MediaTek, Inc.","product":"MediaTek chipset","affected":["mediatek_chipset MT2737","mediatek_chipset MT6813","mediatek_chipset MT6980D","mediatek_chipset MT6982","mediatek_chipset MT6986","mediatek_chipset MT6988","mediatek_chipset MT6990"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T17:06:20.498863Z"},"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T17:06:23.384Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-20551","references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"}],"tags":["cve.org"],"epss":0.0013,"epssPercentile":0.02629,"ingestedAt":"2026-11-05T19:30:42.718Z","slug":"CVE-2026-20551","body":"## Overview\n\nIn gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11309305; Issue ID: MSV-10730.\n\n## Affected\n\n- `mediatek_chipset MT2737`\n- `mediatek_chipset MT6813`\n- `mediatek_chipset MT6980D`\n- `mediatek_chipset MT6982`\n- `mediatek_chipset MT6986`\n- `mediatek_chipset MT6988`\n- `mediatek_chipset MT6990`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}