CVE-2026-88048 Tesseract - Out of Bounds Read/Write

Tesseract <= 5.5.3 contains a heap out-of-bounds read/write caused by improper validation of deserialized layer scalars ni_ and no_ in FullyConnected::DeSerialize, letting attackers cause heap corruption or crash via crafted .traineddata NT_SOFTMAX layer, exploit requires crafted input data.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.17% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service, Information Disclosure
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
10 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to the latest version once a fixed release is available.

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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