CVE-2025-59391 is a memory disclosure vulnerability in libcoap's OSCORE configuration parser, affecting libcoap versions prior to release-4.3.5-patches. This flaw allows an out-of-bounds read when parsing specific configuration values, potentially exposing sensitive information from the .rodata section or causing a denial of service. Rated as Medium severity (CVSS 6.5), it can be exploited remotely with low attack complexity and no user interaction required. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.3.5aCPE matchmatch criteria | cpe:2.3:a:libcoap:libcoap:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.