Grok Buffer Overflow Vulnerability

Grok is a regular expression that uses a combination of multiple predefined . A tool used to match split text and map to keywords. Often used to preprocess log data. A buffer overflow vulnerability exists in Grok version 9.5.0, which stems from the product's openhtj2k::T1OpenHTJ2K::decompress...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

Heap overflow

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

CVE-2021-45935

Summary: CVE-2021-45935 affects Grok 9.5.0 and involves a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress (invoked via std::__1::__packaged_task_func and related bindings). Impact (as per sources): NVD indicates a base score of 4.3 (MEDIUM) under CVSS v2, and 5.5 (MEDIUM) under C...

CVE-2021-45935

Grok 9.5.0 has a heap-based buffer overflow in openhtj2k::T1OpenHTJ2K::decompress called from std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco and std::1::packagedtaskint...

OSV-2021-1344 Heap-buffer-overflow in openhtj2k::T1OpenHTJ2K::decompress

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39021 Crash type: Heap-buffer-overflow WRITE 4 Crash state: openhtj2k::T1OpenHTJ2K::decompress std::1::packagedtaskfuncstd::1::bindgrk::T1DecompressScheduler::deco std::1::packagedtaskint...