CVE-2024-31031

HIGH EPSS 54.1%
Published Apr 17, 20242y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 17, 2024 2y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
54.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 3

VendorProductVersionRange
libcoaplibcoap4.3.4any
fedoraprojectfedora39any
fedoraprojectfedora40any

References 5

  • github.com https://github.com/obgm/libcoap/issues/1351
    ExploitIssue Tracking
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.