{"id":"JLSEC-2026-506","details":"LibSass before 3.6.3 allows a heap-based buffer over-read in Sass::weaveParents in ast_sel_weave.cpp.","modified":"2026-05-18T14:30:42.724610Z","published":"2026-05-18T14:23:04.937Z","upstream":["CVE-2019-18798"],"database_specific":{"sources":[{"modified":"2024-11-21T04:33:35.320Z","database_specific":{"status":"Modified"},"published":"2019-11-06T16:15:10.883Z","imported":"2026-05-16T01:24:17.192Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-18798","id":"CVE-2019-18798","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18798"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://github.com/sass/libsass/issues/2999"},{"type":"WEB","url":"https://github.com/sass/libsass/issues/2999"}],"affected":[{"package":{"name":"libsass_jll","ecosystem":"Julia","purl":"pkg:julia/libsass_jll?uuid=47bcb7c8-5119-555a-9eeb-0afcc36cd728"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.4+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-506.json"}}],"schema_version":"1.7.5"}