CVE catalog
CVE-2023-30362
libcoap3: CVE-2023-30362
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.75% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | libcoap3 | sid | 4.3.5-4 | fixed |
| Debian | libcoap3 | forky | 4.3.5-4 | fixed |
| Debian | libcoap3 | trixie | 4.3.4-1.1+deb13u3 | fixed |
| Debian | libcoap3 | bookworm | 4.3.1-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libcoap3 | source | sid | 4.3.1-2 | not yet assigned | Not reported | [1040594] |
| Debian | libcoap3 | source | forky | 4.3.1-2 | not yet assigned | Not reported | [1040594] |
| Debian | libcoap3 | source | trixie | 4.3.1-2 | not yet assigned | Not reported | [1040594] |
| Debian | libcoap3 | source | bookworm | (unfixed) | not yet assigned | Not reported | [1040594] |
Notes
[bookworm] libcoap3: Minor issue, no reverse deps in Bookworm
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.