{"id":"CVE-2026-45812","state":"PUBLISHED","title":"Apache NimBLE: OOB Read via sizeof(pointer) in Legacy Advertising Report Handler","description":"Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report HCI event.\n\nWhen a single HCI advertising report event bundles multiple reports, NimBLE miscalculated the offset to the next report. This can cause the host to read past the end of the buffer and deliver a GAP event with bogus data to the application.\n\nSeverity is low: NimBLE's own controller never batches multiple reports into one event, so this only matters when NimBLE's host is paired with a third-party controller that does.\n\nThis issue affects Apache NimBLE: through 1.9.0.\n\nUsers are recommended to upgrade to version 1.10.0, which fixes the issue.","publishedAt":"2026-07-24T12:09:38.958Z","updatedAt":"2026-07-24T18:16:48.556Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache NimBLE"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache NimBLE","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.9.0","versionType":"semver"}]}],"references":["https://github.com/apache/mynewt-nimble/commit/605c7585408bc3674818eeb7b6f478a8aefe9746","https://lists.apache.org/thread/rll5m1ly2vg8jr76lp5ohrtspr5vlofy","http://www.openwall.com/lists/oss-security/2026/07/24/12"],"weaknesses":["CWE-131"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45812.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45812","state":"PUBLISHED","datePublished":"2026-07-24T12:09:38.958Z","dateUpdated":"2026-07-24T18:16:48.556Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-05-13T08:56:54.914Z"},"containers":{"cna":{"title":"Apache NimBLE: OOB Read via sizeof(pointer) in Legacy Advertising Report Handler","descriptions":[{"lang":"en","value":"Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report HCI event.\n\nWhen a single HCI advertising report event bundles multiple reports, NimBLE miscalculated the offset to the next report. This can cause the host to read past the end of the buffer and deliver a GAP event with bogus data to the application.\n\nSeverity is low: NimBLE's own controller never batches multiple reports into one event, so this only matters when NimBLE's host is paired with a third-party controller that does.\n\nThis issue affects Apache NimBLE: through 1.9.0.\n\nUsers are recommended to upgrade to version 1.10.0, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache NimBLE","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.9.0","versionType":"semver"}]}],"references":[{"url":"https://github.com/apache/mynewt-nimble/commit/605c7585408bc3674818eeb7b6f478a8aefe9746","tags":["patch"]},{"url":"https://lists.apache.org/thread/rll5m1ly2vg8jr76lp5ohrtspr5vlofy","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-131","description":"CWE-131 Incorrect Calculation of Buffer Size","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-24T12:09:38.958Z"},"credits":[{"lang":"en","type":"reporter","value":"VulnCheck"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/24/12"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-24T14:34:44.102Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-24T18:16:29.252884Z","id":"CVE-2026-45812","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-24T18:16:48.556Z"}}]}}}