Vulnerability · Published Jul 1, 2021 · Assigned by mitre
CVE-2021-36089
High 7.8
In plain English
A high-severity security flaw in the libgrokj2k package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)1.2%top 32.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libgrokj2k | 9.5.0-1 | DEBIAN-CVE-2021-36089 |
Affected products (as reported)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544 x_refsource_MISC
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml x_refsource_MISC
- https://github.com/GrokImageCompression/grok/releases x_refsource_MISC