OSV-2026-136
Memcpy-param-overlap in grk::memStreamRead
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=478035120
Crash type: Memcpy-param-overlap
Crash state:
grk::memStreamRead
grk::BufferedStream::read
grk::MarkerParser::readSOTorEOC
What each source reports
OSV No score
Memcpy-param-overlap in grk::memStreamRead
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=478035120
Crash type: Memcpy-param-overlap
Crash state:
grk::memStreamRead
grk::BufferedStream::read
grk::MarkerParser::readSOTorEOC
- Record
OSV-2026-136- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
grokOSS-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-2026-136 is a vulnerability with no CVSS score yet in grok, published January 25, 2026. No source lists public exploit code. A source reports a fix.