High severity · published Jul 1, 2021
CVE-2021-36081
Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call
7.8
CVSS
0.9%
EPSS
No
On KEV
Description
Tesseract OCR 5.0.0-alpha-20201231 has a one_ell_conflict use-after-free during a strpbrk call.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tesseract Ocr · Tesseract-ocr
5.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36081
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36081
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29698
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/tesseract-ocr/OSV-2021-211.yaml
Patch
https://github.com/tesseract-ocr/tesseract/commit/e6f15621c2ab2ecbfabf656942d8ef66f03b2d55
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