High [CVE-2026-88048] Heap out-of-bounds write/read leading to information disclosure via crafted data
This high-severity Red Hat Linux advisory covers CVE-2026-88048 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
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Summary
A flaw was found in Tesseract. The `FullyConnected::DeSerialize` function does not properly validate the dimensions of deserialized layers against the weight-matrix dimensions.
This vulnerability allows a remote attacker to provide a specially crafted `.traineddata` file, leading to a heap out-of-bounds write and read during the `FullyConnected::Forward` operation. Successful exploitation can result in heap corruption, application crashes, or information disclosure.
Red Hat severity: Important — CVSS 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-787.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: tesseract.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 19 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 19 minutes ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 19 minutes ago·verify at source
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