OSV-2021-991
Dynamic-stack-buffer-overflow in fmt::v8::detail::dragonbox::umul192_upper64
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36110
Crash type: Dynamic-stack-buffer-overflow WRITE 8
Crash state:
fmt::v8::detail::dragonbox::umul192_upper64
fmt::v8::detail::dragonbox::cache_accessor<double>::compute_mul
fmt::v8::detail::dragonbox::decimal_fp<double> fmt::v8::detail::dragonbox::to_de
What each source reports
OSV No score
Dynamic-stack-buffer-overflow in fmt::v8::detail::dragonbox::umul192_upper64
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36110
Crash type: Dynamic-stack-buffer-overflow WRITE 8
Crash state:
fmt::v8::detail::dragonbox::umul192_upper64
fmt::v8::detail::dragonbox::cache_accessor<double>::compute_mul
fmt::v8::detail::dragonbox::decimal_fp<double> fmt::v8::detail::dragonbox::to_de
- Record
OSV-2021-991- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fmtOSS-Fuzz |
Listed versions, plus commit ranges 7.1.07.1.17.1.27.1.38.0.08.0.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-991 is a vulnerability with no CVSS score yet in fmt, published July 14, 2021. No source lists public exploit code. A source reports a fix.