{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5314", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-01T12:40:03.522Z", "datePublished": "2026-04-01T22:15:15.789Z", "dateUpdated": "2026-04-01T22:15:15.789Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-01T22:15:15.789Z"}, "title": "Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-125", "lang": "en", "description": "Out-of-Bounds Read"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "Nothings", "product": "stb", "versions": [{"version": "1.0", "status": "affected"}, {"version": "1.1", "status": "affected"}, {"version": "1.2", "status": "affected"}, {"version": "1.3", "status": "affected"}, {"version": "1.4", "status": "affected"}, {"version": "1.5", "status": "affected"}, {"version": "1.6", "status": "affected"}, {"version": "1.7", "status": "affected"}, {"version": "1.8", "status": "affected"}, {"version": "1.9", "status": "affected"}, {"version": "1.10", "status": "affected"}, {"version": "1.11", "status": "affected"}, {"version": "1.12", "status": "affected"}, {"version": "1.13", "status": "affected"}, {"version": "1.14", "status": "affected"}, {"version": "1.15", "status": "affected"}, {"version": "1.16", "status": "affected"}, {"version": "1.17", "status": "affected"}, {"version": "1.18", "status": "affected"}, {"version": "1.19", "status": "affected"}, {"version": "1.20", "status": "affected"}, {"version": "1.21", "status": "affected"}, {"version": "1.22", "status": "affected"}, {"version": "1.23", "status": "affected"}, {"version": "1.24", "status": "affected"}, {"version": "1.25", "status": "affected"}, {"version": "1.26", "status": "affected"}], "modules": ["TTF File Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-04-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-01T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-01T14:45:20.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "d0razi (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/354646", "name": "VDB-354646 | Nothings stb TTF File stb_truetype.h stbtt_InitFont_internal out-of-bounds", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/354646/cti", "name": "VDB-354646 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/780558", "name": "Submit #780558 | nothings stb (stb_truetype.h) \u2264 1.26 Out-of-Bounds Read", "tags": ["third-party-advisory"]}, {"url": "https://gist.github.com/d0razi/cb31a92f3205a4373f19b7da25946848", "tags": ["exploit"]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Nothings stb up to 1.26. Impacted is the function stbtt_InitFont_internal in the library stb_truetype.h of the component TTF File Handler. Performing a manipulation results in out-of-bounds read. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "id": "CVE-2026-5314", "lastModified": "2026-04-01T23:17:03.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "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:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-04-01T23:17:03.810", "references": [{"source": "cna@vuldb.com", "url": "https://gist.github.com/d0razi/cb31a92f3205a4373f19b7da25946848"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/780558"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/354646"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/354646/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-125"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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