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).Referenceshttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yamlhttps://github.com/GrokImageCompression/grok/releases
