Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libcoap3 | No fix yet | — |
| Ubuntu 26.04 LTS | libcoap3 | No fix yet | — |
| Ubuntu 25.10 | libcoap3 | No fix yet | — |
| Ubuntu 24.04 LTS | libcoap3 | No fix yet | — |
| Ubuntu 22.04 LTS | libcoap2 +1 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libcoap2 | No fix yet | — |