{"id":"CVE-2023-3488","summary":"Uninitialized variable in Gecko Bootloader can leak secure stack","details":"Uninitialized buffer in GBL parser in Silicon Labs GSDK v4.3.0 and earlier allows attacker to leak data from Secure stack via malformed GBL file.\n\n","modified":"2026-08-12T03:51:46.984498513Z","published":"2023-07-28T15:36:29.124Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3488.json","cna_assigner":"Silabs","cwe_ids":["CWE-908"]},"references":[{"type":"ADVISORY","url":"https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Wi3HwQAJ?operationContext=S1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3488.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3488"},{"type":"FIX","url":"https://github.com/SiliconLabs/gecko_sdk/releases"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/gecko_sdk","events":[{"introduced":"0"},{"last_affected":"551fb8d0f659a56dcb0abde93cef7b8464bf0ac6"}],"database_specific":{"cpe":"cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.3.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v4.2.3","v4.3.0","v4.2.2","v4.2.1","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3488.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N"}]}