Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-36081
CVE-2021-36081:
Linux Debian vulnerability analysis and mitigation
Overview
Tesseract OCR version 5.0.0-alpha-20201231 contains a use-after-free vulnerability during a strpbrk call in the oneellconflict function. The vulnerability was discovered and disclosed on July 1, 2021 (CVE MITRE, NVD).
Technical details
The vulnerability is classified as a heap-use-after-free READ 2 issue that occurs in the _libcppstrpbrk function, specifically within the tesseract::Tesseract::oneellconflict execution path. The issue was identified through OSS-Fuzz testing and has been assigned a HIGH severity rating (OSS Fuzz).
Impact
The vulnerability could potentially lead to memory corruption and program crashes when exploited. Given its classification as a use-after-free vulnerability, it could potentially be exploited to read sensitive information from freed memory locations (Debian Tracker).
Mitigation and workarounds
The vulnerability has been fixed in multiple versions of Tesseract OCR. Fixed versions include 5.1.0-1 and later. Users are advised to upgrade to the patched versions. The fix was implemented through commit e6f15621c2ab2ecbfabf656942d8ef66f03b2d55 (Debian Tracker).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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