What’s Vulnerable › Vulnerabilities

CVE-2021-45935

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-01 · updated 2026-06-17
• Weakness: CWE-787

Description

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (called from std::__1::__packaged_task_func<std::__1::__bind<grk::T1DecompressScheduler::deco and std::__1::packaged_task<int).

Affected products

• Grok Project Grok: 9.5.0

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml
• https://github.com/osamu620/OpenHTJ2K
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-1344.yaml
• https://github.com/osamu620/OpenHTJ2K

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