CVE-2021-36089

HIGH

Grok 7.6.6-9.2.0 - Heap-Based Buffer Overflow in FileFormatDecompress Palette Color Application

Title source: llm
STIX 2.1

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 (3)

Core 3
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/GrokImageCompression/grok/releases

Scores

CVSS v3 7.8
EPSS 0.0118
EPSS Percentile 63.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
zope/grok 7.6.6 - 9.2.0
Published Jul 01, 2021
Tracked Since Feb 18, 2026