tesseract-ocr Tesseract up to 5.5.2 SquishedDawg src/dict/dawg.cpp read_squished_dawg out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.81+

Summaryinfo

A vulnerability described as critical has been identified in tesseract-ocr Tesseract up to 5.5.2. Impacted is the function SquishedDawg::read_squished_dawg of the file src/dict/dawg.cpp of the component SquishedDawg. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2026-73067. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in tesseract-ocr Tesseract up to 5.5.2. This vulnerability affects the function SquishedDawg::read_squished_dawg of the file src/dict/dawg.cpp of the component SquishedDawg. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Tesseract is an open source OCR engine. Prior to 5.5.3, a crafted .traineddata model loaded through TessBaseAPI::Init can cause SquishedDawg::read_squished_dawg in src/dict/dawg.cpp to accept an unterminated forward-edge run, after which SquishedDawg::Load calls num_forward_edges(0) and last_edge in src/dict/dawg.h reads beyond edges_, causing a heap out-of-bounds read and process crash before image processing. This issue is fixed in version 5.5.3.

The advisory is available at github.com. This vulnerability was named CVE-2026-73067 since 08/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 5.5.3 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Tesseract 5.5.3

Timelineinfo

08/10/2026 CVE reserved
08/11/2026 +1 days Advisory disclosed
08/11/2026 +0 days VulDB entry created
08/11/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-73067 (🔒)
GCVE (CVE): GCVE-0-2026-73067
GCVE (VulDB): GCVE-100-388162

Entryinfo

Created: 08/11/2026 17:04
Changes: 08/11/2026 17:04 (57)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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