OSV-2026-1095
Heap-buffer-overflow in grk::t1::CodeblockDecompressImpl::parsePacketData
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=540111888
Crash type: Heap-buffer-overflow READ 8
Crash state:
grk::t1::CodeblockDecompressImpl::parsePacketData
grk::PacketParser::readData
grk::PacketParser::parsePacketData
What each source reports
OSV No score
Heap-buffer-overflow in grk::t1::CodeblockDecompressImpl::parsePacketData
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=540111888
Crash type: Heap-buffer-overflow READ 8
Crash state:
grk::t1::CodeblockDecompressImpl::parsePacketData
grk::PacketParser::readData
grk::PacketParser::parsePacketData
- Record
OSV-2026-1095- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
grokOSS-Fuzz |
Listed versions, plus commit ranges v20.3.5v20.3.6v20.3.7 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-1095 is a vulnerability with no CVSS score yet in grok, published July 30, 2026. No source lists public exploit code. A source reports a fix.