CVE-2021-36089

Public Exploit

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).

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544 issue tracking patch exploit third party advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml third party advisory
https://github.com/GrokImageCompression/grok/releases third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2021-36089?
CVE-2021-36089 has been scored as a high severity vulnerability.
How to fix CVE-2021-36089?
To fix CVE-2021-36089, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36089 being actively exploited in the wild?
It is possible that CVE-2021-36089 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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