OSV-2026-837
Heap-use-after-free in grk::TileProcessor::parseTilePart
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=519348401
Crash type: Heap-use-after-free READ 8
Crash state:
grk::TileProcessor::parseTilePart
tf::Executor::_invoke
tf::Executor::_spawn
What each source reports
OSV No score
Heap-use-after-free in grk::TileProcessor::parseTilePart
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=519348401
Crash type: Heap-use-after-free READ 8
Crash state:
grk::TileProcessor::parseTilePart
tf::Executor::_invoke
tf::Executor::_spawn
- Record
OSV-2026-837- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
grokOSS-Fuzz |
Listed versions, plus commit ranges v20.1.0v20.2.0v20.2.1v20.2.2v20.2.3 Show 13 moreShow lessv20.2.4v20.2.5v20.2.6v20.2.7v20.2.8v20.2.9v20.3.0v20.3.1v20.3.2v20.3.3v20.3.4v20.3.5v20.3.6 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-837 is a vulnerability with no CVSS score yet in grok, published June 4, 2026. No source lists public exploit code. A source reports a fix.