CVE-2024-31031

Published Apr 17, 2024 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 10:06 PM
Reserved
Mar 27, 2024, 12:00 AM
Status
Modified
Published
Apr 17, 2024, 7:15 PM
Modified
Jun 17, 2026, 7:27 AM