Medium severity · published Aug 19, 2024
CVE-2024-4785
BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero
6.5
CVSS
0.5%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · zephyrproject-rtos
through 3.6 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-4785
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-4785
Patch
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xcr5-5g98-mchp
More from Zephyr
9.8
CVE-2026-5067
Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
9.8
CVE-2026-1678
dns: memory‑safety issue in the DNS name parser
9.1
CVE-2025-1675
Out of bounds read in dns_copy_qname
8.8
CVE-2026-5068
bt: l2cap le coc: remote oob write via seg counter stored in net_buf user_data
8.8
CVE-2026-5066
net: sockets: tls: Potential out-of-bounds write/read in socket_op_vtable::connect function