VulnerabilityModified
CVE-2021-36089
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).
HIGH 7.8EPSS 1.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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).
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.18% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- zope/grok
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/GrokImageCompression/grok/releasesRelease Notes, Third 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=33544Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/GrokImageCompression/grok/releasesRelease Notes, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yamlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.