An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 05 Nov 2025 07:30:00 +0900


Wed, 05 Nov 2025 03:30:00 +0900


Wed, 05 Nov 2025 03:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 19 Jun 2025 05:00:00 +0900

Type Values Removed Values Added
First Time appeared Fedoraproject
Fedoraproject fedora
Libcoap
Libcoap libcoap
CPEs cpe:2.3:a:libcoap:libcoap:4.3.4:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
Vendors & Products Fedoraproject
Fedoraproject fedora
Libcoap
Libcoap libcoap

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T22:06:11.163Z

Reserved: 2024-03-27T00:00:00.000Z

Link: CVE-2024-31031

cve-icon Vulnrichment

Updated: 2025-11-04T22:06:11.163Z

cve-icon NVD

Status : Modified

Published: 2024-04-17T19:15:07.623

Modified: 2025-11-04T22:16:00.427

Link: CVE-2024-31031

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses