OSV-2021-907
Heap-buffer-overflow in decode_header_value_literal
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35675
Crash type: Heap-buffer-overflow READ 1
Crash state:
decode_header_value_literal
decode_header
h2o_hpack_parse_request
What each source reports
OSV No score
Heap-buffer-overflow in decode_header_value_literal
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35675
Crash type: Heap-buffer-overflow READ 1
Crash state:
decode_header_value_literal
decode_header
h2o_hpack_parse_request
- Record
OSV-2021-907- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
h2oOSS-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-2021-907 is a vulnerability with no CVSS score yet in h2o, published July 1, 2021. No source lists public exploit code. A source reports a fix.