Out-of-bounds Read in Libcoap

CVE-2023-30362

Buffer Overflow vulnerability in coap_send function in libcoap library 4.3.1-103-g52cfd56 fixed in 4.3.1-120-ge242200 allows attackers to obtain sensitive information via malformed pdu.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (51.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-30362?
CVE-2023-30362 is a high-severity vulnerability in Libcoap, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-06-23.
How severe is CVE-2023-30362?
High severity. CVSS v3 base score is 7.5 out of 10.