Detections
Analytics

CVE-2021-36089

high

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).

References

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml

https://github.com/GrokImageCompression/grok/releases

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544

Details

Source: Mitre, NVD

Published: 2021-07-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00409