CVE-2025-59391

medium

Description

A memory disclosure vulnerability exists in libcoap's OSCORE configuration parser in libcoap before release-4.3.5-patches. An out-of-bounds read may occur when parsing certain configuration values, allowing an attacker to infer or read memory beyond string boundaries in the .rodata section. This could potentially lead to information disclosure or denial of service.

References

https://github.com/obgm/libcoap/releases/tag/v4.3.5a

https://github.com/obgm/libcoap/pull/1730

Details

Source: Mitre, NVD

Published: 2025-12-08

Updated: 2025-12-08

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium

EPSS

EPSS: 0.00031