optical character recognition vulnerabilities and fixes

Recent CVEs affecting optical character recognition, with upgrade or downgrade steps. 3 tracked.

Also searched as: opticalcharacterrecognition.

optical character recognition has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2021-11-17. Highest priority: CVE-2021-33481 (score 49/100).

• CVE-2021-33481 HIGH 7.8 UPGRADE A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxe
• CVE-2021-33480 MEDIUM 5.5 UPGRADE An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2as
• CVE-2021-33479 HIGH 7.8 UPGRADE A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in

FAQ

How do I fix optical character recognition vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is optical character recognition being exploited right now?

None of the tracked optical character recognition CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which optical character recognition CVE should I patch first?

CVE-2021-33481 currently ranks highest (49/100): A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxe.

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