{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-110606", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T13:07:22.235Z", "datePublished": "2026-10-14T14:16:46.382Z", "dateUpdated": "2026-10-14T14:16:46.382Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T14:16:46.382Z" }, "datePublic": "2026-05-07T00:00:00.000Z", "title": "LibreCAD libdxfrw through LC2.2.0 Stack Out-of-Bounds Read via dwgReader18::readFileHeader", "descriptions": [ { "lang": "en", "value": "LibreCAD libdxfrw through LC2.2.0 (LibreCAD through 2.2.1.5) contains a stack-based out-of-bounds read vulnerability in dwgReader18::readFileHeader() caused by calling strlen on non-NUL-terminated buffers. Attackers can supply a crafted AC1018, AC1024 or AC1027 DWG file without NUL bytes in the decrypted header to read adjacent stack memory and crash the process." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Out-of-bounds Read", "cweId": "CWE-125", "type": "CWE" } ] } ], "affected": [ { "vendor": "LibreCAD", "product": "libdxfrw", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "LC2.2.0", "status": "affected", "versionType": "custom" } ], "collectionURL": "https://github.com/LibreCAD/libdxfrw", "packageURL": "pkg:github/LibreCAD/libdxfrw", "repo": "https://github.com/LibreCAD/libdxfrw" }, { "vendor": "LibreCAD", "product": "LibreCAD", "packageURL": "pkg:github/LibreCAD/LibreCAD", "repo": "https://github.com/LibreCAD/LibreCAD", "versions": [ { "version": "0", "lessThanOrEqual": "2.2.1.5", "status": "affected", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:librecad:libdxfrw:*:*:*:*:*:*:*:*", "versionEndIncluding": "lc2.2.0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:librecad:librecad:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.2.1.5" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW" } } ], "references": [ { "url": "https://github.com/LibreCAD/LibreCAD/issues/2554", "tags": [ "issue-tracking" ] }, { "url": "https://hackmd.io/@haind-pwn/libdxfrw-dwg-header-oob-read", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/LibreCAD/libdxfrw/blob/LC2.2.0/src/intern/dwgreader18.cpp#L248", "tags": [ "technical-description" ] }, { "url": "https://github.com/LibreCAD/LibreCAD/blob/v2.2.1.5/libraries/libdxfrw/src/intern/dwgreader18.cpp#L248", "tags": [ "technical-description" ] }, { "url": "https://github.com/LibreCAD/libdxfrw/commit/0c5595930b20917a40ed7c188475eaca624b8ce9", "tags": [ "patch" ] }, { "url": "https://github.com/LibreCAD/LibreCAD/commit/abd1f4a8e32dbd871c986086227502217200cd4b", "tags": [ "patch" ] }, { "name": "VulnCheck Advisory: LibreCAD libdxfrw through LC2.2.0 Stack Out-of-Bounds Read via dwgReader18::readFileHeader", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/librecad-libdxfrw-through-lc2-2.0-stack-out-of-bounds-read-via-dwgreader18-readfileheader" } ], "credits": [ { "lang": "en", "value": "dayzsec", "type": "finder" }, { "lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } } } }