CVE-2024-46304
Published:October 09, 2024
Updated:May 17, 2026
A NULL pointer dereference in libcoap v4.3.5-rc2 and below allows a remote attacker to cause a denial of service via the coap_handle_request_put_block function in src/coap_block.c.
Affected Packages
libcoap-sys (RUST):
Affected version(s) >=0.1.0 <0.2.0+libcoap-develop-8b9377eFix Suggestion:
Update to version 0.2.0+libcoap-develop-8b9377elibcoap-sys (RUST):
Affected version(s) >=0.2.1+libcoap-4.3.1 <=0.2.2+libcoap-4.3.1Fix Suggestion:
Update to version no_fixRelated Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
EPSS
Base Score:
0.65