Search/CVE-2024-31031
● CVE — High

CVE-2024-31031

Vendorfedoraproject, libcoapProductfedora, libcoapDiscoveredApr 17, 2024UpdatedNov 4, 2025

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.

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CVSS v3.1
7.5 HIGH
EPSS
0.87%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Aug 18, 2026
● 0.01pp
0.87% → 0.87% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Connections
3 relationships
Timeline
disclosure → media coverage
Apr 17, 2024
Disclosure — published as a CVE record. · last revised by NVD Nov 4, 2025