OSV-2021-1727
UNKNOWN WRITE in void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<4>
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42672
Crash type: UNKNOWN WRITE
Crash state:
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<4>
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<10>
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<14>
What each source reports
OSV No score
UNKNOWN WRITE in void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<4>
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=42672
Crash type: UNKNOWN WRITE
Crash state:
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<4>
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<10>
void uWS::WebSocketProtocol<true, Impl>::UnrolledXor<14>
- Record
OSV-2021-1727- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
uwebsocketsOSS-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-2021-1727 is a vulnerability with no CVSS score yet in uwebsockets, published December 21, 2021. No source lists public exploit code. A source reports a fix.