CVE-2021-36081
HIGHCVSS 7.8/10EPSS 0.89%
Last modified
CVE-2021-36081 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
Description
Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Tesseract-Ocr | Tesseract Ocr | 5.0.0 | Alpha-20201231 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29698Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/tesseract-ocr/tesseract/commit/e6f15621c2ab2ecbfabf656942d8ef66f03b2d55Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29698Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/tesseract-ocr/tesseract/commit/e6f15621c2ab2ecbfabf656942d8ef66f03b2d55Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36081?
Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call.
How severe is CVE-2021-36081?
CVE-2021-36081 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36081?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-36081?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST