Vulnerability Description
Grok 7.6.6 through 9.2.0 has a heap-based buffer overflow in grk::FileFormatDecompress::apply_palette_clr (called from grk::FileFormatDecompress::applyColour).
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zope | Grok | >= 7.6.6, <= 9.2.0 |
| Linux | Linux Kernel | - |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544ExploitIssue TrackingPatch
- https://github.com/GrokImageCompression/grok/releasesRelease NotesThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yamlThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544ExploitIssue TrackingPatch
- https://github.com/GrokImageCompression/grok/releasesRelease NotesThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yamlThird Party Advisory
FAQ
What is CVE-2021-36089?
CVE-2021-36089 is a vulnerability with a CVSS score of 7.8 (HIGH). Grok 7.6.6 through 9.2.0 has a heap-based buffer overflow in grk::FileFormatDecompress::apply_palette_clr (called from grk::FileFormatDecompress::applyColour).
How severe is CVE-2021-36089?
CVE-2021-36089 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-36089?
Check the references section above for vendor advisories and patch information. Affected products include: Zope Grok, Linux Linux Kernel.