OSV-2021-450
Global-buffer-overflow in coap_pdu_parse_opt
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31479
Crash type: Global-buffer-overflow WRITE 1
Crash state:
coap_pdu_parse_opt
coap_pdu_parse
What each source reports
OSV No score
Global-buffer-overflow in coap_pdu_parse_opt
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31479
Crash type: Global-buffer-overflow WRITE 1
Crash state:
coap_pdu_parse_opt
coap_pdu_parse
- Record
OSV-2021-450- 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-2021-450 is a vulnerability with no CVSS score yet in libcoap, published February 28, 2021. No source lists public exploit code. A source reports a fix.