CVE-2025-50518

Aug. 15, 2025, 1:15 p.m.

9.8
Critical

Description

A use-after-free vulnerability exists in the coap_delete_pdu_lkd function within coap_pdu.c of the libcoap library. This issue occurs due to improper handling of memory after the freeing of a PDU object, leading to potential memory corruption or the possibility of executing arbitrary code.

Product(s) Impacted

Vendor Product Versions
Libcoap
  • Libcoap
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416
Use After Free
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a libcoap libcoap / / / / / / / /

References

https://github.com/IreneTheITCrowd/blog/blob/main/libcoap-vulnerability.md
https://github.com/obgm/libcoap.git
https://github.com/IreneTheITCrowd/blog/blob/main/libcoap-vulnerability.md

Tags

cve@mitre.org
CWE-416
2025-08-14
CVE-2025-50518

CVSS Score

9.8 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: HIGH

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

    View Vector String

Timeline

Published: Aug. 14, 2025, 4:15 p.m.
Last Modified: Aug. 15, 2025, 1:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.