CVE-2026-45812
NVD: Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report HCI event. NVD: When a single HCI advertising report event bundles multiple reports, NimBLE miscalculated the offset to the next report. NVD: This can cause the host to read past the end of the buffer and deliver a GAP event with bogus data to the application.
6.5 Severity
MEDIUM EPSS
0.0042 (35) KEV
-
Source-published summary
NVD: Incorrect Calculation of Buffer Size vulnerability in Apache NimBLE when processing Legacy Advertising Report HCI event. NVD: When a single HCI advertising report event bundles multiple reports, NimBLE miscalculated the offset to the next report. NVD: This can cause the host to read past the end of the buffer and deliver a GAP event with bogus data to the application.
Possible impact
This medium severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for defensive exposure review.
Affected context
vendor/product: apache / nimble
Remediation / advisory
Patch confirmed by source text; fixed version context: version.
Why it matters
This medium severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for defensive exposure review.; CVSS 6.5 (MEDIUM); EPSS percentile 35; not listed in KEV; Patch confirmed by source text; fixed version context: version; sources: NVD, OSV, Vendor Advisory.
What to verify
Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.
Exposure hint
exposure unknown
Impact tags
Urgency reasons
Source-derived note
Summary derived from NVD / OSV / Vendor Advisory description; unsafe procedural detail is not shown.
Redaction metadata
- source summary used
- True
- fallback summary used
- False
- unsafe procedural detail present
- false
- raw source displayed
- false
- public summary redacted
- true
Remediation handoff
Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.
Safety note
This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.
Official references
- https://nvd.nist.gov/vuln/detail/CVE-2026-45812
- https://osv.dev/vulnerability/CVE-2026-45812
- http://www.openwall.com/lists/oss-security/2026/07/24/12
- https://github.com/apache/mynewt-nimble/commit/605c7585408bc3674818eeb7b6f478a8aefe9746
- https://lists.apache.org/thread/rll5m1ly2vg8jr76lp5ohrtspr5vlofy