CVE-2026-35170

openFPGALoader is a utility for programming FPGAs. In 1.1.1 and earlier, a heap-buffer-overflow read vulnerability exists in BitParser::parseHeader() that allows out-of-bounds heap memory access when parsing a crafted .bit file. No FPGA hardware is required to trigger this vulnerability.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/trabucayre/openFPGALoader/security/advisories/GHSA-v59x-fvpj-j22x	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:trabucayre:openfpgaloader:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-06 20:16

Updated : 2026-07-20 20:10

NVD link : CVE-2026-35170

Mitre link : CVE-2026-35170

CVE.ORG link : CVE-2026-35170

JSON object : View

Products Affected

trabucayre

openfpgaloader

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2026-35170", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-35170", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-07T15:10:46.780270Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "trabucayre", "product": "openFPGALoader", "versions": [{"status": "affected", "version": "<= 1.1.1"}]}]}], "published": "2026-04-06T20:16:25.450", "references": [{"url": "https://github.com/trabucayre/openFPGALoader/security/advisories/GHSA-v59x-fvpj-j22x", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "openFPGALoader is a utility for programming FPGAs. In 1.1.1 and earlier, a heap-buffer-overflow read vulnerability exists in BitParser::parseHeader() that allows out-of-bounds heap memory access when parsing a crafted .bit file. No FPGA hardware is required to trigger this vulnerability."}, {"lang": "es", "value": "openFPGALoader es una utilidad para programar FPGAs. En 1.1.1 y versiones anteriores, existe una vulnerabilidad de lectura por desbordamiento de b\u00fafer de pila en BitParser::parseHeader() que permite el acceso a memoria de pila fuera de l\u00edmites al analizar un archivo .bit manipulado. No se requiere hardware FPGA para activar esta vulnerabilidad."}], "lastModified": "2026-07-20T20:10:00.110", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:trabucayre:openfpgaloader:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62581179-C886-4DE6-B888-53C8E5509FBA", "versionEndIncluding": "1.1.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}