ZE
Product
zephyr
by zephyrproject · last CVE Oct 28, 2026
322
CVEs
0
On KEV
10.0
Max CVSS
60
New 30D
Severity mix
Critical 29High 118Medium 154Low 21
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-14986
6.8
0%
Sep 14
Out-of-bounds write in it51xxx I2C target FIFO ISR on oversized write transaction
Affected: 4.2.0 before 4.4.2
CVE-2026-16147
6.8
0%
Sep 14
it82xx2 USB device controller submits incomplete OUT transfer buffers, causing use-after-free and event-list corruption
Affected: 4.0.0 before 4.4.2
CVE-2026-13215
6.8
0%
Aug 25
Zephyr ext2 mount: unvalidated superblock block size causes out-of-bounds write from a crafted filesystem image
Affected: 3.5.0 before 4.4.2
CVE-2026-7656
6.8
0%
Jun 29
Broken IPv6 Neighbor Discovery input validation allows spoofed RA/NS/NA acceptance in Zephyr net stack
Affected: 1.14.0 before 4.3.1; 4.4.0 before 4.4.1
CVE-2026-0849
6.8
0%
Mar 14
crypto: ATAES132A response length allows stack buffer overflow
Affected: 4.3.0; 4.3.0; 4.3.0; 4.3.0
CVE-2025-20696
6.8
0%
Aug 4
In DA, there is a possible out of bounds write due to a missing bounds check
Affected: 3.7.0
CVE-2023-4265
6.8
1%
Aug 12
Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359…
Affected: through 3.3.0
CVE-2023-0396
6.8
0%
Jan 25
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses
Affected: through 3.2.0
CVE-2021-3861
6.8
0%
Feb 7
The RNDIS USB device class includes a buffer overflow vulnerability
Affected: 2.6.0 through 2.7.1
CVE-2020-10023
6.8
0%
May 11
The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or…
Affected: 1.14.1; 2.1.0
CVE-2026-19571
6.7
0%
Oct 9
Race condition in ITE IT8xxx2 SHI host-command backend lets a second SPI request write an unvalidated length into the in-flight request buffer
Affected: 3.3.0 before 4.5.0
CVE-2025-20747
6.7
0%
Nov 4
In gnss service, there is a possible out of bounds write due to an incorrect bounds check
Affected: 3.7.0
CVE-2025-20746
6.7
0%
Nov 4
In gnss service, there is a possible out of bounds write due to an incorrect bounds check
Affected: 3.7.0
CVE-2026-11743
6.6
0%
Aug 7
Missing negative-offset/overflow check in SF32LB MPI QSPI NOR flash driver allows out-of-bounds read and write
Affected: 4.3.0 before 4.4.2
CVE-2026-82962
New
6.5–Oct 28
Out-of-bounds write in Zephyr Ethernet L2 when adding the link-layer header to a forwarded packet
Affected: 4.1.0 through 4.4.2
CVE-2026-82389
New
6.5
0%
Oct 26
Bluetooth Classic HFP AG wipes an object still linked in the SDP request list on connect failure, causing a NULL dereference
Affected: 4.4.0 before 4.5.0
CVE-2026-79981
New
6.5
0%
Oct 23
DNS resolver reuses a single UDP source port for all queries, easing off-path answer spoofing
Affected: 1.8.0 before 4.5.0
CVE-2026-19940
6.5
0%
Oct 13
Bluetooth HFP AG reuses a connection slot while a delayable work item is still armed, corrupting kernel timeout bookkeeping
Affected: 4.2.0 through 4.4.2
CVE-2026-19740
6.5
0%
Oct 11
Bluetooth LE Controller: retained RX node leak and reachable assertion in the PHY Update procedure
Affected: 3.4.0 before 4.5.0
CVE-2026-19739
6.5
0%
Oct 11
Bluetooth LE controller leaks a retained RX node when an unexpected LL Control PDU arrives during a Connection Update
Affected: 3.4.0 before 4.5.0
CVE-2026-19738
6.5
0%
Oct 11
Retained RX node leak and reachable assertion in Bluetooth Controller CIS Create procedures
Affected: 3.4.0 before 4.5.0
CVE-2026-18417
6.5
0%
Sep 28
Wild pointer dereference in Zephyr BSD sockets when a TCP listening socket reports an asynchronous error
Affected: 4.3.0 before 4.4.2
CVE-2026-15893
6.5
0%
Sep 14
Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS
Affected: 1.7.0 before 4.4.2
CVE-2026-14697
6.5
0%
Aug 31
IPv6 Neighbor Solicitation packet leak causes TX pool exhaustion denial of service
Affected: 4.3.0 before 4.4.2
CVE-2026-14696
6.5
0%
Aug 31
Ethernet bridge RX packet leak enables denial of service via RX buffer-pool exhaustion
Affected: 4.4.0 before 4.4.2
CVE-2026-13734
6.5
0%
Aug 28
Zephyr WireGuard mutates peer state before anti-replay check, enabling capture-replay endpoint hijack
Affected: 4.4.0 before 4.4.2
CVE-2026-12632
6.5
0%
Aug 18
Out-of-bounds read in Zephyr PTP message parsing from unvalidated message type
Affected: 3.7.0 before 4.4.2
CVE-2026-12631
6.5
0%
Aug 18
Broken access-control denial in k_thread_join/k_thread_abort syscall validation in Zephyr kernel
Affected: 2.3.0 before 4.4.2
CVE-2026-12236
6.5
0%
Aug 13
Infinite loop (DoS) in Bluetooth GATT client parsing of Read-By-Type responses with zero data length
Affected: 2.6.0 before 4.4.2
CVE-2026-11368
6.5
0%
Aug 4
Use-after-free in Bluetooth host ATT TX completion on disconnect mid-transfer
Affected: 4.4.0 before 4.4.2
CVE-2026-10774
6.5
0%
Aug 2
PSA key-slot leak in Bluetooth Mesh subnet deletion leading to resource-exhaustion DoS
Affected: 3.6.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-2411
6.5
0%
Aug 1
Bluetooth GATT notify/indicate enforces the wrong attribute's permissions, bypassing encryption/authentication requirements on characteristic values
Affected: 2.6.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-10677
6.5
0%
Jul 21
Kernel heap memory leak in `z_vrfy_k_poll()` lets an unprivileged user thread exhaust the kernel resource pool
Affected: 1.12.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-10675
6.5
0%
Jul 21
Bluetooth Mesh PB-ADV: invalidated provisioning link kept alive indefinitely, blocking (re)provisioning (DoS)
Affected: 3.5.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-10593
6.5
0%
Jun 28
Remotely triggerable NULL-pointer dereference in Bluetooth LE Audio BAP unicast client QoS-state handling
Affected: 4.3.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-10651
6.5
0%
Jun 22
Out-of-bounds read in Bluetooth Classic SDP attribute parsing (`bt_sdp_parse_attribute`)
Affected: 4.3.0 before 4.3.1; 4.4.0 before 4.4.2
CVE-2026-5072
6.5
0%
May 22
ptp: Potential Denial of Service via PTP Interval Shift
Affected: through 4.3.0
CVE-2025-10456
6.5
0%
Sep 19
Bluetooth: Semi-Arbitrary ability to make the BLE Target send disconnection requests
Affected: through 4.1.0
CVE-2025-7403
6.5
0%
Sep 19
Bluetooth: bt_conn_tx_processor unsafe handling
Affected: through 4.1.0
CVE-2024-8798
6.5
0%
Dec 16
No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c
Affected: through 3.7.0
CVE-2024-6444
6.5
0%
Oct 4
No proper validation of the length of user input in olcp_ind_handler in zephyr/subsys/bluetooth/services/ots/ots_client.c
Affected: through 3.6.0
CVE-2024-6443
6.5
1%
Oct 4
In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty
Affected: through 3.6.0
CVE-2024-6442
6.5
0%
Oct 4
In ascs_cp_rsp_add in /subsys/bluetooth/audio/ascs.c, an unchecked tailroom could lead to a global buffer overflow
Affected: through 3.6.0
CVE-2024-6259
6.5
1%
Sep 13
BT: HCI: adv_ext_report Improper discarding in adv_ext_report
Affected: through 3.6.0
CVE-2024-6137
6.5
1%
Sep 13
BT: Classic: SDP OOB access in get_att_search_list
Affected: through 3.6.0
CVE-2024-6135
6.5
0%
Sep 13
BT:Classic: Multiple missing buf length checks
Affected: through 3.6.0
CVE-2024-5931
6.5
0%
Sep 13
BT: Unchecked user input in bap_broadcast_assistant
Affected: through 3.6.0
CVE-2024-6258
6.5
0%
Sep 13
BT: Missing length checks of net_buf in rfcomm_handle_data
Affected: before 3.6.0
CVE-2024-5754
6.5
0%
Sep 13
BT: Encryption procedure host vulnerability
Affected: before 3.6.0
CVE-2024-4785
6.5
0%
Aug 19
BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
Affected: before 3.7.0
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