# CVE-2023-30362: libcoap3: Buffer Overflow vulnerability in coap_send function in libcoap library 4.3.1-103-g52cfd56 fixed in 4.3.1-120-ge242200...

CVE-2023-30362 is fixed in libcoap3 on 1 platform, first by DEBIAN-CVE-2023-30362, released June 23, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-30362
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0075
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 23, 2023

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libcoap3 Debian 13.5 (trixie) | 4.3.1-2 | [DEBIAN-CVE-2023-30362](https://patchblox.com/security/data/fix/linux/debian-cve-2023-30362.md) | Jun 23, 2023 |
| Linux | libcoap3 Debian 14 | 4.3.1-2 | [DEBIAN-CVE-2023-30362](https://patchblox.com/security/data/fix/linux/debian-cve-2023-30362.md) | Jun 23, 2023 |

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