CVE-2026-88047 Tesseract - Buffer Overflow

Tesseract <= 5.5.3 contains a buffer overflow caused by improper parsing of NORMPROTO component in .traineddata files, letting attackers cause stack corruption and denial of service, exploit requires crafted .traineddata file.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to a fixed version once available or apply patches addressing buffer overflow in NORMPROTO parsing.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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