CVE-2026-119339

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{"affected": [{"affectedData": [{"product": "tesseract", "vendor": "tesseract-ocr", "versions": [{"status": "affected", "version": "< 5.5.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Tesseract is an open source OCR engine. Prior to 5.5.4, WeightMatrix::DeSerialize trusts a mode byte from a traineddata LSTM network and calls WeightMatrix::DeSerializeOld when kDoubleFlag is clear. In default FAST_FLOAT builds, DeSerializeOld invokes ASSERT_HOST instead of returning an error, so loading a crafted model through TessBaseAPI::Init terminates the process and causes denial of service. This issue is fixed in version 5.5.4."}], "id": "CVE-2026-119339", "lastModified": "2026-11-02T19:14:53.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-119339", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-30T21:18:18.116329Z", "version": "2.0.3"}}]}, "published": "2026-10-30T21:16:51.940", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/tesseract-ocr/tesseract/commit/c053424327352b9d5180aa7540c1f9e67c64f27e"}, {"source": "security-advisories@github.com", "url": "https://github.com/tesseract-ocr/tesseract/pull/4657"}, {"source": "security-advisories@github.com", "url": "https://github.com/tesseract-ocr/tesseract/releases/tag/5.5.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-h9g4-frjx-6cj3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-617"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "tesseract: Tesseract: Denial of service via crafted trained model file", "id": "2564284", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2564284"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["A flaw was found in Tesseract. When loading a specially crafted trained model file, the engine fails to properly validate neural network configuration data, triggering an unhandled assertion failure instead of returning an error. A local attacker or application consumer could exploit this by supplying a malicious model file, causing the process to terminate unexpectedly and resulting in a denial of service (DoS)."], "name": "CVE-2026-119339", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "tesseract", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "tesseract", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "tesseract", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-30T20:13:37Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-119339\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-119339\nhttps://github.com/tesseract-ocr/tesseract/commit/c053424327352b9d5180aa7540c1f9e67c64f27e\nhttps://github.com/tesseract-ocr/tesseract/pull/4657\nhttps://github.com/tesseract-ocr/tesseract/releases/tag/5.5.4\nhttps://github.com/tesseract-ocr/tesseract/security/advisories/GHSA-h9g4-frjx-6cj3"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.5.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "tesseract", "source": "cna", "vendor": "tesseract-ocr"}, "product": "tesseract_ocr", "vendor": "tesseract-ocr"}], "created": "2026-10-30T22:00:15.598778+00:00", "updated": "2026-11-10T08:30:23.088401+00:00", "vendors": ["tesseract-ocr", "tesseract-ocr$PRODUCT$tesseract_ocr"]}