{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58496", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-30T20:21:25.813Z", "datePublished": "2026-10-27T22:18:34.301Z", "dateUpdated": "2026-10-27T22:18:34.301Z"}, "containers": {"cna": {"title": "ThorVG: Out-of-bounds Read in SFNT/TTF Font Loader via Memory API", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/thorvg/thorvg/security/advisories/GHSA-crfw-c34f-vqrj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/thorvg/thorvg/security/advisories/GHSA-crfw-c34f-vqrj"}, {"name": "https://github.com/thorvg/thorvg/commit/1dc232a33535946b5eed5fd65e993b13226da0ca", "tags": ["x_refsource_MISC"], "url": "https://github.com/thorvg/thorvg/commit/1dc232a33535946b5eed5fd65e993b13226da0ca"}, {"name": "https://github.com/thorvg/thorvg/releases/tag/v1.0.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/thorvg/thorvg/releases/tag/v1.0.7"}], "affected": [{"vendor": "thorvg", "product": "thorvg", "versions": [{"version": "< 1.0.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-27T22:18:34.301Z"}, "descriptions": [{"lang": "en", "value": "Thor Vector Graphics (ThorVG) is a production-ready vector graphics engine. Prior to 1.0.7, the `SFNT/TTF` font loader's `SfntLoader::gen` function in `tvgSfntLoader.cpp` reads `data[0] through data[3]` to identify the font type without first checking that the input buffer contains at least four bytes. Loading an undersized font directly from memory through public APIs such as `tvg::Text::load` causes an out-of-bounds read. Loading through a file path using `mmap` can mask the read because of page alignment; the memory-loading API directly exposes it. Depending on memory layout, a malformed short font may crash the consuming application or disclose adjacent heap memory. This issue is fixed in version 1.0.7."}], "source": {"advisory": "GHSA-crfw-c34f-vqrj", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "thorvg", "vendor": "thorvg", "versions": [{"status": "affected", "version": "< 1.0.7"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Thor Vector Graphics (ThorVG) is a production-ready vector graphics engine. Prior to 1.0.7, the `SFNT/TTF` font loader's `SfntLoader::gen` function in `tvgSfntLoader.cpp` reads `data[0] through data[3]` to identify the font type without first checking that the input buffer contains at least four bytes. Loading an undersized font directly from memory through public APIs such as `tvg::Text::load` causes an out-of-bounds read. Loading through a file path using `mmap` can mask the read because of page alignment; the memory-loading API directly exposes it. Depending on memory layout, a malformed short font may crash the consuming application or disclose adjacent heap memory. This issue is fixed in version 1.0.7."}], "id": "CVE-2026-58496", "lastModified": "2026-10-27T23:17:06.420", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-27T23:17:06.420", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/thorvg/thorvg/commit/1dc232a33535946b5eed5fd65e993b13226da0ca"}, {"source": "security-advisories@github.com", "url": "https://github.com/thorvg/thorvg/releases/tag/v1.0.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/thorvg/thorvg/security/advisories/GHSA-crfw-c34f-vqrj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-28T00:00:22.675945+00:00", "updated": "2026-10-28T00:00:22.675952+00:00", "vendors": []}