CVE-2024-31031

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-31031
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/obgm/libcoap/issues/1351 Exploit Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ Mailing List Third Party Advisory
https://github.com/obgm/libcoap/issues/1351 Exploit Issue Tracking
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/
Configurations

Configuration 1 (hide)

cpe:2.3:a:libcoap:libcoap:4.3.4:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
History

04 Nov 2025, 22:16

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ -

04 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ -

18 Jun 2025, 19:40

Type Values Removed Values Added
References () https://github.com/obgm/libcoap/issues/1351 - () https://github.com/obgm/libcoap/issues/1351 - Exploit, Issue Tracking
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ - Mailing List, Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ - Mailing List, Third Party Advisory
First Time Fedoraproject
Fedoraproject fedora
Libcoap
Libcoap libcoap
CPE cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
cpe:2.3:a:libcoap:libcoap:4.3.4:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*

21 Nov 2024, 09:12

Type Values Removed Values Added
References () https://github.com/obgm/libcoap/issues/1351 - () https://github.com/obgm/libcoap/issues/1351 -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ -

03 Jul 2024, 01:54

Type Values Removed Values Added
CWE CWE-190
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

03 May 2024, 03:16

Type Values Removed Values Added
Summary
  • (es) Un problema en `coap_pdu.c` en libcoap 4.3.4 permite a los atacantes provocar un comportamiento indefinido a través de una secuencia de mensajes que conducen a un desbordamiento de enteros sin signo.
References
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LPENEJBV3KSASIYKNZAKXDAH7Q66KPYG/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUL7QDYFGEIJVO2ZSG4O5HEAWR6PFC52/ -

17 Apr 2024, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-04-17 19:15

Updated : 2025-11-04 22:16

NVD link : CVE-2024-31031

Mitre link : CVE-2024-31031

CVE.ORG link : CVE-2024-31031

JSON object : View

Products Affected

libcoap

  • libcoap

fedoraproject

  • fedora
CWE
CWE-190

Integer Overflow or Wraparound