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-2023-4260
10.0
1%
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
1%
Aug 25
Stack buffer overflow in OCPP GetConfiguration key parsing
Affected: 4.3.0 before 4.4.2
CVE-2026-10666
9.8
1%
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
1%
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
0%
Mar 5
dns: memory‑safety issue in the DNS name parser
Affected: through 4.3.0
CVE-2023-6881
9.8
0%
Feb 29
Possible buffer overflow in is_mount_point
Affected: through 3.5.0
CVE-2023-6249
9.8
0%
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
0%
Feb 18
can: out of bounds in remove_rx_filter function
Affected: through 3.5.0
CVE-2023-6749
9.8
0%
Feb 18
Unchecked length coming from user input in settings shell
Affected: through 3.5.0
CVE-2023-5055
9.8
1%
Nov 21
Possible variant of CVE-2021-3434 in function le_ecred_reconf_req
Affected: through 3.4.0
CVE-2023-4257
9.8
1%
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
1%
Oct 6
Potential buffer overflow vulnerability in the Zephyr CAN bus subsystem
Affected: through 3.4.0
CVE-2022-3806
9.8
1%
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
1%
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
1%
Oct 12
Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr
Affected: 2.4.0 before 2.5.0
CVE-2021-3625
9.8
2%
Oct 5
Buffer overflow in Zephyr USB DFU DNLOAD
Affected: 2.5.0 before 2.7.0
CVE-2021-3319
9.8
1%
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
1%
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
1%
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
3%
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
3%
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
3%
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
2%
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
2%
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
2%
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
1%
Sep 27
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem
Affected: through 3.4.0
CVE-2026-10672
9.1
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
0%
Feb 25
Out of bounds read in dns_copy_qname
Affected: through 4.0.0
CVE-2024-1638
9.1
0%
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
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