CVE-2026-9267: Eclipse tinydtls before commit b3efd41ad111a4920f599f51ffa4f5e9f1e72221 contains an out-of-bounds read vulnerability in the check_server_certificate() function that allows unauthen
Eclipse tinydtls before commit b3efd41ad111a4920f599f51ffa4f5e9f1e72221 contains an out-of-bounds read vulnerability in the check_server_certificate() function that allows unauthenticated attackers to trigger reads beyond valid buffer boundaries by crafting a Certificate handshake message with a specific fragment_length value. Attackers can exploit missing buffer length validation before uint24 reads, memcmp, and memcpy operations during DTLS epoch 0 on both client and server paths to cause denial of service on memory-constrained devices.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-9267
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-92670.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-9267 | coverage & exploitation status | NVD · CVE.org |
More from NVD Recent CVEs
- mediumCVE-2026-15485: A flaw has been found in TRENDnet TEW-821DAP 1.11B03. The impacted element is the function sub…2026-07-12
- highCVE-2026-15484: A vulnerability was detected in TRENDnet TEW-821DAP 1.12B01. The affected element is the funct…2026-07-12
- highCVE-2026-15483: A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the fun…2026-07-12
- highCVE-2026-15482: A weakness has been identified in Aster Telecom Azcall 10/11. This issue affects some unknown …2026-07-12
- highCVE-2026-15481: A security flaw has been discovered in Trendnet TEW-635BRM up to 1.00.03. This vulnerability a…2026-07-12