{"id":"CVE-2026-116723","revision":null,"records":[{"revision":"ac57d5d1acc5412aa6a865ffbdca2906","observedAt":"2026-10-26T22:35:30.956+00:00","statement":{"source":"cve-program","id":"CVE-2026-116723","aliases":[],"title":"FLTK through 1.4.5 Stack Buffer Overflow via Fl_BMP_Image colors_used Field","description":"FLTK through 1.4.5 contains a stack-based buffer overflow vulnerability in Fl_BMP_Image::load_bmp_() that allows attackers to corrupt stack memory by supplying an oversized BMP colors_used field. Attackers can craft BMP or ICO files with colors_used above 256 to overflow the 768-byte colormap array, causing crashes or potential code execution.","state":0,"publishedAt":"2026-10-26T21:52:27.469+00:00","modifiedAt":"2026-10-26T21:52:27.469+00:00","affected":[{"ecosystem":"Vendor product","name":"fltk","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"fltk\",\n                    \"product\": \"fltk\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"1.4.5\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/fltk/fltk\",\n                    \"repo\": \"https://github.com/fltk/fltk\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.5,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://github.com/fltk/fltk/issues/1632","https://github.com/fltk/fltk","https://github.com/fltk/fltk/commit/3a049d8262dc759cf9737339420e8457e24c0cb1","https://github.com/fltk/fltk/blob/release-1.4.5/src/Fl_BMP_Image.cxx#L255-L265","https://hackmd.io/@haindpwn/fltk-bmp-image-stack-heap-overflow","https://www.vulncheck.com/advisories/fltk-through-1.4.5-stack-buffer-overflow-via-fl-bmp-image-colors-used-field"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116723","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116723","identifiers":["CVE-2026-116723"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-01T14:57:20.8260435+00:00","complete":true,"records":1766,"lastAttemptAt":"2026-11-01T14:57:20.8260435+00:00","lastSuccessAt":"2026-11-01T14:57:20.9959229+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.9959241+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-aece262bb10a694367a43c24d730aa8e8dc171723eaec4c15cdd32f04bda103f-d531ae12fd03a30fe810f370dfdaee6d5ce6932749e1e8d224c6f881789a42e1","complete":true,"records":417653,"lastAttemptAt":"2026-11-01T14:57:20.4936635+00:00","lastSuccessAt":"2026-11-01T14:57:20.4630684+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.4936635+00:00","snapshotPublishedAt":"2026-11-01T14:28:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-7a3763b612e249af8e21823e33cbf35e","complete":false,"records":13568,"lastAttemptAt":"2026-11-01T15:09:18.8870785+00:00","lastSuccessAt":"2026-11-01T15:09:18.883+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:09:18.883+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13449,"expectedIdentifiers":13637,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-01T14:57:20.8260435+00:00","complete":true,"records":1095,"lastAttemptAt":"2026-11-01T14:57:20.8260435+00:00","lastSuccessAt":"2026-11-01T14:57:20.9969402+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.9969412+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-6f777ca48c9f4a26b09cd3abcf1e29ef","complete":true,"records":13580,"lastAttemptAt":"2026-11-01T14:57:28.522156+00:00","lastSuccessAt":"2026-11-01T14:57:28.517+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:28.517+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13637,"expectedIdentifiers":13637,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-21dcd6662970dfea02e4ea60ee637115e8d92664947484d2b9276b3f6568a84f","complete":true,"records":9815,"lastAttemptAt":"2026-11-01T14:57:20.7705737+00:00","lastSuccessAt":"2026-10-30T23:47:34.1817587+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.7705737+00:00","snapshotPublishedAt":"2026-10-30T23:33:17+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-2de9ccc5290f060c7aa63f89c25dd76f655a64ba1aba7c05c97fa3bee4f09899","complete":true,"records":1967,"lastAttemptAt":"2026-11-01T14:57:20.5439977+00:00","lastSuccessAt":"2026-10-28T20:55:34.2982937+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.5439977+00:00","snapshotPublishedAt":"2026-10-28T20:03:08+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-f95f76cd406ae5bae3de632ad37fd2d5160b44f5e6b51748ac6f8f0c0c88e72b","complete":true,"records":3028,"lastAttemptAt":"2026-11-01T14:57:20.7877402+00:00","lastSuccessAt":"2026-10-30T23:47:38.4914494+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.7877402+00:00","snapshotPublishedAt":"2026-10-30T23:18:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-55acacd40a7aab88cf530cfddf98233a5d800cfc6bb1883653ecf5bee50f4426","complete":true,"records":230996,"lastAttemptAt":"2026-11-01T14:57:20.6511816+00:00","lastSuccessAt":"2026-11-01T09:06:49.6961926+00:00","error":null,"lastVerifiedAt":"2026-11-01T14:57:20.6511816+00:00","snapshotPublishedAt":"2026-11-01T08:33:39+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}