CVE catalog
CVE-2023-51847
libcoap3: CVE-2023-51847
- Severity
- Low
- Source
- [NVD] · [CVE record]
- EPSS
- 0.56% · Oct 25, 2026
An issue in obgm and Libcoap v.a3ed466 allows a remote attacker to cause a denial of service via thecoap_context_t function in the src/coap_threadsafe.c:297:3 component.
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 | not affected |
| Debian | libcoap3 | forky | 4.3.5-4 | not affected |
| Debian | libcoap3 | trixie | 4.3.4-1.1+deb13u3 | not affected |
| Debian | libcoap3 | bookworm | 4.3.1-1 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | libcoap3 | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | libcoap3 | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | libcoap3 | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | libcoap3 | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.