CVE-2026-119340

medium

Tesseract is an open source OCR engine.

Tesseract is an open source OCR engine. Prior to 5.5.4, GENERIC_2D_ARRAY::DeSerializeSize in src/ccstruct/matrix.h reads matrix dimensions as signed int32_t values and compares them only with UINT16_MAX, allowing negative values to reach ResizeNoInit. Negative dimensions or a 65535 by 65535 product can create inconsistent allocation state and later out-of-bounds accesses while loading a crafted traineddata file, causing denial of service. This issue is fixed in version 5.5.4.

CVSS

5.5

5.5 (CVSS v3.1)

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity source: NVD CVSS v3.1 (security-advisories@github.com)

Timeline (UTC)

Published: 2026-10-30 21:16

Modified: 2026-10-30 21:16

NVD status: Received

Last synced 1 day ago

Verified against the source API 2026-10-30 21:24 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-190 CWE-681

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/tesseract-ocr/tesseract/commit/048e92378f1a34dcdaf94bc515c7552ac01f08ef security-advisories@github.com
https://github.com/tesseract-ocr/tesseract/pull/4649 security-advisories@github.com
https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.4 security-advisories@github.com
https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-6xhq-wvww-6xfg security-advisories@github.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-30 21:24 UTC · record ↗

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