OSV-2026-589
Heap-double-free in coap_new_oscore_conf
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=503812134
Crash type: Heap-double-free
Crash state:
coap_new_oscore_conf
oscore_conf_parse_target.c
coap_new_oscore_conf
What each source reports
OSV No score
Heap-double-free in coap_new_oscore_conf
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=503812134
Crash type: Heap-double-free
Crash state:
coap_new_oscore_conf
oscore_conf_parse_target.c
coap_new_oscore_conf
- Record
OSV-2026-589- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libcoapOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-589 is a vulnerability with no CVSS score yet in libcoap, published April 19, 2026. No source lists public exploit code. A source reports a fix.