Description
Tesseract is an open source OCR engine. From 5.4.0 until 5.5.4, AppendLinePolygon in src/api/pagerenderer.cpp destroys the caller-owned right-to-left Pta accumulator while receiving it by value, leaving line_top_rtl_pts and line_bottom_rtl_pts dangling. On an upright Hebrew or Arabic page at the default PAGE XML level, POLYGONFLAG with a false skewed_flag enters the vulnerable calls, while LEVELFLAG greater than zero provides an alternative gate. The calls repeatedly read and free the stale object, causing a double free and use after free and allowing corrupted coordinates to reach RecalcPolygonline. This issue is fixed in version 5.5.4.
Published: 2026-10-30
Score: 6.9 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Fri, 30 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Description Tesseract is an open source OCR engine. From 5.4.0 until 5.5.4, AppendLinePolygon in src/api/pagerenderer.cpp destroys the caller-owned right-to-left Pta accumulator while receiving it by value, leaving line_top_rtl_pts and line_bottom_rtl_pts dangling. On an upright Hebrew or Arabic page at the default PAGE XML level, POLYGONFLAG with a false skewed_flag enters the vulnerable calls, while LEVELFLAG greater than zero provides an alternative gate. The calls repeatedly read and free the stale object, causing a double free and use after free and allowing corrupted coordinates to reach RecalcPolygonline. This issue is fixed in version 5.5.4.
Title Tesseract: Double free and use after free in the PAGE XML renderer on right-to-left pages
Weaknesses CWE-125
CWE-415
CWE-416
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-30T20:12:29.030Z

Reserved: 2026-10-29T20:44:30.286Z

Link: CVE-2026-119338

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-30T21:16:51.797

Modified: 2026-10-30T21:16:51.797

Link: CVE-2026-119338

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses