CVE-2023-24808

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{"affected": [{"affectedData": [{"product": "pdfio", "vendor": "michaelrsweet", "versions": [{"status": "affected", "version": "< 1.1.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pdfio_project:pdfio:*:*:*:*:*:*:*:*", "matchCriteriaId": "FE34732E-6900-42B6-BC6E-0F5D047545E8", "versionEndExcluding": "1.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": " PDFio is a C library for reading and writing PDF files. In versions prior to 1.1.0 a denial of service (DOS) vulnerability exists in the pdfio parser. Crafted pdf files can cause the program to run at 100% utilization and never terminate. The pdf which causes this crash found in testing is about 28kb in size and was discovered via fuzzing. Anyone who uses this library either as a standalone binary or as a library can be DOSed when attempting to parse this type of file. Web servers or other automated processes which rely on this code to turn pdf submissions into plaintext can be DOSed when an attacker uploads the pdf. Please see the linked GHSA for an example pdf. Users are advised to upgrade. There are no known workarounds for this vulnerability."}, {"lang": "es", "value": "PDFio es una librer\u00eda C para leer y escribir archivos PDF. En versiones anteriores a la 1.1.0 existe una vulnerabilidad de denegaci\u00f3n de servicio (DOS) en el analizador pdfio. Los archivos pdf creados pueden hacer que el programa se ejecute al 100% de utilizaci\u00f3n y nunca finalice. El pdf que causa este bloqueo encontrado en las pruebas tiene un tama\u00f1o de aproximadamente 28 kb y se descubri\u00f3 mediante fuzzing. Cualquiera que utilice esta librer\u00eda, ya sea como binario independiente o como librer\u00eda, puede recibir DOS al intentar analizar este tipo de archivo. Los servidores web u otros procesos automatizados que dependen de este c\u00f3digo para convertir los env\u00edos de PDF en texto plano pueden recibir DOS cuando un atacante carga el PDF. Consulte el GHSA vinculado para ver un pdf de ejemplo. Se recomienda a los usuarios que actualicen. No se conocen workarounds para esta vulnerabilidad."}], "id": "CVE-2023-24808", "lastModified": "2026-06-17T05:39:54.113", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-24808", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-03-10T21:02:03.671097Z", "version": "2.0.3"}}]}, "published": "2023-02-07T01:15:09.567", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/michaelrsweet/pdfio/commit/4f10021e7ee527c1aa24853e2947e38e154d9ccb"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/michaelrsweet/pdfio/security/advisories/GHSA-cjc4-x96x-fvgf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/michaelrsweet/pdfio/commit/4f10021e7ee527c1aa24853e2947e38e154d9ccb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/michaelrsweet/pdfio/security/advisories/GHSA-cjc4-x96x-fvgf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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