Vulnerability Description
Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser. Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Nimble | < 1.10.0 |
Related Weaknesses (CWE)
References
- https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bdPatch
- https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbosMailing ListVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/07/24/14Mailing ListThird Party Advisory
FAQ
What is CVE-2026-45815?
CVE-2026-45815 is a vulnerability with a CVSS score of 7.5 (HIGH). Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser. Severity is medium as this...
How severe is CVE-2026-45815?
CVE-2026-45815 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-45815?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Nimble.