CVE-2025-50518

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.02%
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-50518?
CVE-2025-50518 has been scored as a critical severity vulnerability.
How to fix CVE-2025-50518?
To fix CVE-2025-50518, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-50518 being actively exploited in the wild?
It is possible that CVE-2025-50518 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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