OSV-2021-857
Heap-buffer-overflow in mk_string_copy_substr
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35202
Crash type: Heap-buffer-overflow READ {*}
Crash state:
mk_string_copy_substr
mk_rconf_meta_add
mk_rconf_read
What each source reports
OSV No score
Heap-buffer-overflow in mk_string_copy_substr
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35202
Crash type: Heap-buffer-overflow READ {*}
Crash state:
mk_string_copy_substr
mk_rconf_meta_add
mk_rconf_read
- Record
OSV-2021-857- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fluent-bitOSS-Fuzz |
Listed versions, plus commit ranges 1.8.9-dev-6b56f5120220215unstable-1.8unstable-leonardo-cio-log-pocv1.8.0 Show 24 moreShow lessv1.8.0-rc1v1.8.1v1.8.10v1.8.11v1.8.12v1.8.13v1.8.14v1.8.15v1.8.2v1.8.3v1.8.4v1.8.5v1.8.6v1.8.7v1.8.8v1.8.9v1.8.9-dev-6b56f51tiger-1.8.15-20221123tiger-1.8.15-20221220tiger-1.8.15-20230223tiger-1.8.15-20230329tiger-1.8.17tiger-1.8.16-20230518tiger-1.8.15-20230518 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-857 is a vulnerability with no CVSS score yet in fluent-bit, published June 14, 2021. No source lists public exploit code. A source reports a fix.