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zephyrproject — Vulnerabilities & Security Advisories 91

Browse all 91 CVE security advisories affecting zephyrproject. AI-powered Chinese analysis, POCs, and references for each vulnerability.

This page documents Common Vulnerabilities and Exposures (CVEs) associated with the zephyrproject vendor in the context of open-source operating system weaknesses. It aggregates security issues affecting Zephyr, a real-time operating system (RTOS) designed for resource-constrained and connected IoT devices. The database collects vulnerability records spanning from the earliest disclosed issues in 2017 to the most recent updates in 2024. This comprehensive timeline captures the evolution of security risks within the Zephyr codebase as it matured and gained widespread adoption across various hardware platforms. The scope includes flaws related to buffer overflows, race conditions, improper access controls, and other common software defects identified by the Open Source Security Foundation (OpenSSF) and other security researchers. Users can utilize this resource to track vendor advisories issued by the Zephyr project maintainers, providing insight into how critical flaws are disclosed and patched over time. Additionally, the page serves as a reference for understanding specific weakness classes within real-time embedded environments, highlighting patterns in code quality and security practices. Visitors may also look up a product's vulnerability history to assess the security posture of systems relying on Zephyr RTOS. By reviewing these aggregated data points, developers and security analysts can better evaluate risk exposure and implement appropriate mitigation strategies for their IoT deployments.

Top products by zephyrproject: zephyr
CVE ID Title CVSS Severity Published
CVE-2026-12999 Infineon Airoc Wi-Fi driver leaks TX buffers on send failure, leading to permanent pool exhaustion — zephyr CWE-401 5.3 Medium 2026-08-22
CVE-2026-12634 Out-of-bounds stack write in the settings NVS backend from over-reported nvs_read length — zephyr CWE-787 5.3 Medium 2026-08-19
CVE-2026-12522 Stack buffer overflow in Zephyr hl7800 modem driver parsing network-supplied +CGCONTRDP address fields — zephyr CWE-787 8.8 High 2026-08-19
CVE-2026-12633 Out-of-bounds write in IPv6 6LoWPAN Context Option handling via unauthenticated Router Advertisement — zephyr CWE-787 8.1 High 2026-08-19
CVE-2026-12632 Out-of-bounds read in Zephyr PTP message parsing from unvalidated message type — zephyr CWE-125 6.5 Medium 2026-08-18
CVE-2026-12631 Broken access-control denial in k_thread_join/k_thread_abort syscall validation in Zephyr kernel — zephyr CWE-862 6.5 Medium 2026-08-18
CVE-2026-12520 Stack buffer overflow and off-by-one writes in Zephyr HL7800 modem AT response handlers — zephyr CWE-787 6.4 Medium 2026-08-18
CVE-2026-12519 Out-of-bounds stack read and write in Zephyr WNC-M14A2A modem socket-notify parsing — zephyr CWE-787 5.0 Medium 2026-08-17
CVE-2026-9771 Missing device-pointer validation in flash_copy() syscall allows userspace privilege escalation — zephyr CWE-822 8.8 High 2026-08-17
CVE-2026-12630 6LoWPAN IPHC uncompression out-of-bounds read on reserved destination addressing mode — zephyr CWE-125 4.3 Medium 2026-08-17
CVE-2026-12629 PL011 UART error interrupts never cleared, enabling an external-peer interrupt-storm denial of service — zephyr CWE-835 4.6 Medium 2026-08-17
CVE-2026-12366 Use-after-free freeing an armed dynamically-allocated k_timer in Zephyr userspace object disposal — zephyr CWE-416 8.8 High 2026-08-14
CVE-2026-12365 Use-after-free in Zephyr delayable work-queue cancellation under SMP timing race — zephyr CWE-416 5.8 Medium 2026-08-14
CVE-2026-12364 Missing user-space pointer validation in logging syscall z_log_msg_static_create allows kernel memory disclosure and denial of service — zephyr CWE-822 8.4 High 2026-08-14
CVE-2026-12363 Out-of-bounds write in LoRaWAN fragmented transport from a fragment index of 0 — zephyr CWE-787 4.2 Medium 2026-08-14
CVE-2026-12236 Infinite loop (DoS) in Bluetooth GATT client parsing of Read-By-Type responses with zero data length — zephyr CWE-835 6.5 Medium 2026-08-13
CVE-2026-12235 Out-of-bounds write in Xtensa llext PLT relocation from malformed ELF (CWE-787) — zephyr CWE-787 6.3 Medium 2026-08-12
CVE-2026-12234 TOCTOU double-fetch in `zsock_sendmsg`/`recvmsg` userspace verifiers allows kernel-heap out-of-bounds write — zephyr CWE-367 7.8 High 2026-08-12
CVE-2026-12233 Uninitialized mutex in TLS trusted-credential backend causes kernel NULL-deref DoS under contention — zephyr CWE-665 5.9 Medium 2026-08-12
CVE-2026-12232 Out-of-bounds read via unvalidated stream_id in Intel ALH DAI get_properties — zephyr CWE-125 6.1 Medium 2026-08-12
CVE-2026-12052 Out-of-bounds write in USB CDC NCM control handler when host wLength is smaller than the response — zephyr CWE-787 5.2 Medium 2026-08-11
CVE-2026-12051 NULL pointer dereference in USB DFU device_next download handler (handle_download) — zephyr CWE-476 4.6 Medium 2026-08-11
CVE-2026-11894 Double-free / use-after-free in Realtek BEE Bluetooth HCI driver `send()` error paths — zephyr CWE-415 5.9 Medium 2026-08-11
CVE-2026-11985 Cross-thread FPU register leak on ARM when FPU enabled without register sharing — zephyr CWE-200 3.6 Low 2026-08-11
CVE-2026-11893 Double free / use-after-free in Bouffalo Lab HCI driver send() error paths (hci_bflb) — zephyr CWE-415 5.9 Medium 2026-08-11
CVE-2026-11812 UpdateHub: race condition on shared context causes out-of-bounds write and DoS — zephyr CWE-362 2.5 Low 2026-08-10
CVE-2026-11811 Socket file-descriptor leak in UpdateHub OTA client start_coap_client() leading to resource-exhaustion DoS — zephyr CWE-772 3.7 Low 2026-08-10
CVE-2026-8718 Out-of-bounds write in DTLS peer Connection ID getsockopt (`TLS_DTLS_PEER_CID_VALUE`) in Zephyr net sockets/TLS — zephyr CWE-787 8.4 High 2026-08-10
CVE-2026-11809 UpdateHub probe: uninitialized-heap out-of-bounds read of network-supplied metadata — zephyr CWE-125 3.7 Low 2026-08-10
CVE-2026-11810 NULL-pointer dereference in UpdateHub OTA agent on empty inner metadata array (remote DoS) — zephyr CWE-476 7.5 High 2026-08-10

This page lists every published CVE security advisory associated with zephyrproject. Each entry links to a detailed page with CVSS scoring, CWE classification, affected products and references. AI-generated Chinese analysis is provided for fast triage.