Description
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.
Published: 2024-04-17
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 04 Nov 2025 22:30:00 +0000


Tue, 04 Nov 2025 18:30:00 +0000


Tue, 04 Nov 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 18 Jun 2025 20:00:00 +0000

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

Subscriptions

Fedoraproject Fedora
Libcoap Libcoap
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