ZE
Product
zephyr
320
CVEs
0
On KEV
10.0
Max CVSS
63
New 30D
Severity mix
Critical 29High 117Medium 153Low 21
Watch
Add zephyr to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2023-4260 | 10.0 | Sep 27 | Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system Affected: through 3.4.0 |
| CVE-2026-13214 | 9.8 | Aug 25 | Stack buffer overflow in OCPP GetConfiguration key parsing Affected: 4.3.0 before 4.4.2 |
| CVE-2026-10666 | 9.8 | Jul 12 | Stack buffer overflow in `net_ipaddr_parse()` IPv4 address-with-port parsing in `subsys/net/ip/utils.c` Affected: 1.9.0 before 4.3.1; 4.4.0 before 4.4.1 |
| CVE-2026-5067 | 9.8 | Jun 9 | Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key Affected: 3.7.0 through 4.3.0 |
| CVE-2026-1678 | 9.8 | Mar 5 | dns: memory‑safety issue in the DNS name parser Affected: through 4.3.0 |
| CVE-2023-6881 | 9.8 | Feb 29 | Possible buffer overflow in is_mount_point Affected: through 3.5.0 |
| CVE-2023-6249 | 9.8 | Feb 18 | Signed to unsigned conversion esp32_ipm_send Affected: before 3.5.0; 3.5.0; 3.5.0; 3.5.0; 3.5.0 |
| CVE-2023-5779 | 9.8 | Feb 18 | can: out of bounds in remove_rx_filter function Affected: through 3.5.0 |
| CVE-2023-6749 | 9.8 | Feb 18 | Unchecked length coming from user input in settings shell Affected: through 3.5.0 |
| CVE-2023-5055 | 9.8 | Nov 21 | Possible variant of CVE-2021-3434 in function le_ecred_reconf_req Affected: through 3.4.0 |
| CVE-2023-4257 | 9.8 | Oct 13 | Unchecked user input length in /subsys/net/l2/wifi/wifi_shell.c can cause buffer overflows Affected: through 3.4.0 |
| CVE-2023-3725 | 9.8 | Oct 6 | Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem Affected: through 3.4.0 |
| CVE-2022-3806 | 9.8 | Jan 25 | Inconsistent handling of error cases in bluetooth hci may lead to a double free condition of a network buffer Affected: through 3.2.0 |
| CVE-2022-2993 | 9.8 | Dec 9 | There is an error in the condition of the last if-statement in the function smp_check_keys Affected: through 3.1.0 |
| CVE-2021-3323 | 9.8 | Oct 12 | Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr Affected: 2.4.0 before 2.5.0 |
| CVE-2021-3625 | 9.8 | Oct 5 | Buffer overflow in Zephyr USB DFU DNLOAD Affected: 2.5.0 before 2.7.0 |
| CVE-2021-3319 | 9.8 | Oct 5 | DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses Affected: 2.4.0 before 2.5.0 |
| CVE-2020-13601 | 9.8 | May 25 | Possible read out of bounds in dns read Affected: through 1.14.2; 2.0.0 through 2.3.0 |
| CVE-2020-10064 | 9.8 | May 25 | Improper Input Frame Validation in ieee802154 Processing Affected: through 1.14.2; 2.0.0 through 2.2.0 |
| CVE-2020-10071 | 9.8 | Jun 5 | The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution Affected: through 2.2.0 |
| CVE-2020-10070 | 9.8 | Jun 5 | In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution Affected: through 2.2.0 |
| CVE-2020-10062 | 9.8 | Jun 5 | An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution Affected: through 2.2.0 |
| CVE-2020-10022 | 9.8 | May 11 | A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS Affected: 2.1.0; 2.2.0 |
| CVE-2017-14199 | 9.8 | Apr 12 | A buffer overflow has been found in the Zephyr Project's getaddrinfo() implementation in 1.9.0 and 1.10.0 Affected: 1.9.0; 1.10.0 |
| CVE-2018-1000800 | 9.8 | Sep 6 | zephyr-rtos version 1.12.0 contains a NULL base pointer reference vulnerability in sys_ring_buf_put(), sys_ring_buf_get() that can result in CPU Page Fault (error code 0x00000010) Affected: 1.12.0 |
| CVE-2023-4264 | 9.6 | Sep 27 | Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem Affected: through 3.4.0 |
| CVE-2026-10672 | 9.1 | Jul 14 | Unterminated URI buffer causes out-of-bounds read in LwM2M firmware pull (Package URI) Affected: 3.0.0 before 4.3.1; 4.4.0 before 4.4.1 |
| CVE-2025-1675 | 9.1 | Feb 25 | Out of bounds read in dns_copy_qname Affected: through 4.0.0 |
| CVE-2024-1638 | 9.1 | Feb 19 | The documentation specifies that the BT_GATT_PERM_READ_LESC and BT_GATT_PERM_WRITE_LESC defines for a Bluetooth characteristic: Attribute read/write permission with LE Secure… Affected: through 3.5.0 |
| CVE-2026-79982 New | 8.8 | Oct 23 | Out-of-bounds write in the USB Bluetooth HCI transport class when a controller-to-host HCI packet exceeds the bulk endpoint maximum packet size Affected: 3.3.0 through 4.4.2 |
| CVE-2026-76788 | 8.8 | Oct 19 | Stack out-of-bounds write in the OSDP Control Panel reply parser Affected: 3.3.0 through 4.4.2 |
| CVE-2026-19569 | 8.8 | Oct 9 | Integer overflow in dynamic kernel object allocation allows user-mode threads to corrupt the kernel heap Affected: 3.5.0 through 4.4.2 |
| CVE-2026-19570 | 8.8 | Oct 9 | Out-of-bounds write in LE Audio Broadcast Sink when copying BASE subgroup metadata into the BASS receive state Affected: 3.6.0 through 4.4.2 |
| CVE-2026-15894 | 8.8 | Oct 7 | Bluetooth Mesh solicitation PDU stack buffer overflow via oversized advertisement Affected: 3.4.0 before 4.4.2 |
| CVE-2026-13212 | 8.8 | Aug 24 | Zephyr virtio driver calls an arbitrary function pointer from an out-of-range used-ring descriptor id Affected: 4.2.0 before 4.4.2 |
| CVE-2026-12522 | 8.8 | Aug 19 | Stack buffer overflow in Zephyr hl7800 modem driver parsing network-supplied +CGCONTRDP address fields Affected: 2.4.0 before 4.4.2 |
| CVE-2026-9771 | 8.8 | Aug 17 | Missing device-pointer validation in flash_copy() syscall allows userspace privilege escalation Affected: 4.0.0 before 4.4.2 |
| CVE-2026-12366 | 8.8 | Aug 14 | Use-after-free freeing an armed dynamically-allocated k_timer in Zephyr userspace object disposal Affected: 1.12.0 before 4.5.0 |
| CVE-2026-10673 | 8.8 | Jul 15 | Out-of-bounds write in ADIN2111/ADIN1110 OA SPI Ethernet RX frame reassembly Affected: 3.7.0 before 4.3.1; 4.4.0 before 4.4.1 |
| CVE-2026-5068 | 8.8 | Jun 9 | bt: l2cap le coc: remote oob write via seg counter stored in net_buf user_data Affected: through 4.4.0 |
| CVE-2026-5066 | 8.8 | Jun 4 | net: sockets: tls: Potential out-of-bounds write/read in socket_op_vtable::connect function Affected: through 4.3.0 |
| CVE-2023-4424 | 8.8 | Nov 21 | An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device Affected: through 3.4.0 |
| CVE-2023-5753 | 8.8 | Oct 25 | Potential buffer overflows in the Bluetooth subsystem due to asserts being disabled in /subsys/bluetooth/host/hci_core.c Affected: through 3.4.0 |
| CVE-2023-4263 | 8.8 | Oct 13 | Potential buffer overflow vulnerability in the Zephyr IEEE 802.15.4 nRF 15.4 driver Affected: through 3.4.0 |
| CVE-2023-5184 | 8.8 | Sep 27 | Two potential signed to unsigned conversion errors and buffer overflow vulnerabilities at the following locations in the Zephyr IPM drivers Affected: through 3.4.0 |
| CVE-2023-4259 | 8.8 | Sep 26 | Two potential buffer overflow vulnerabilities at the following locations in the Zephyr eS-WiFi driver source code Affected: through 3.4.0 |
| CVE-2023-2234 | 8.8 | Jul 10 | Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host Affected: through 3.3.0 |
| CVE-2021-3966 | 8.8 | Jan 11 | usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem Affected: before 3.0.0 |
| CVE-2022-1042 | 8.8 | Jul 26 | In Zephyr bluetooth mesh core stack, an out-of-bound write vulnerability can be triggered during provisioning Affected: through 3.0.0 |
| CVE-2022-1041 | 8.8 | Jul 26 | In Zephyr bluetooth mesh core stack, an out-of-bound write vulnerability can be triggered during provisioning Affected: through 3.0.0 |
