{"id":"CVE-2019-18797","aliases":["DEBIAN-CVE-2019-18797","EUVD-2019-8502","GHSA-6cpv-g87x-7jfq","JLSEC-2026-505"],"status":"published","title":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in...","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01512,"percentile":0.74651,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674"],"published":"2019-11-06T15:07:28Z","modified":"2026-10-24T10:47:42Z","fixes":[{"ecosystem":"Julia","package":"libsass_jll","fixed_in":["3.6.4+0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5+20220909-1","3.6.5+20220909-2","3.6.5+20220909-3","3.6.5+20220909-3+hurd.1","3.6.5+20231221-1","3.6.5+20231221-2","3.6.5+20231221-3"]},{"source":"osv","ecosystem":"Debian:13","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5+20231221-3"]},{"source":"osv","ecosystem":"Debian:14","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5+20231221-3"]},{"source":"osv","ecosystem":"Julia","package":"libsass_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.4+0"}]}]}],"products":[{"vendor":"sass-lang","product":"libsass"}],"references":[{"url":"https://github.com/sass/libsass/issues/3000","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18797"},{"url":"https://github.com/advisories/GHSA-6cpv-g87x-7jfq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-18797","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2019-18797","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2019-11-06T15:07:28Z","modified":"2024-08-05T02:02:39.603Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2019-8502","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2019-11-06T15:07:28Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-6cpv-g87x-7jfq","title":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in...","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2022-05-24T17:00:33Z","modified":"2023-01-28T05:08:09Z","updated_at":"2026-11-02T14:44:36.474417Z"}],"nvd":[{"id":"CVE-2019-18797","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2019-11-06T16:15:10.82Z","modified":"2026-06-17T02:25:21.24Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:05:35.052973Z"}],"osv":[{"id":"CVE-2019-18797","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2019-11-06T16:15:10.82Z","modified":"2026-10-24T10:47:42.617598934Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:11.673963Z"},{"id":"DEBIAN-CVE-2019-18797","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.","status":"published","published":"2019-11-06T16:15:10.82Z","modified":"2026-09-21T07:02:32.564810208Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"JLSEC-2026-505","description":"LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(`Sass::Binary_Expression`*) in eval.cpp.","status":"published","published":"2026-05-18T14:23:04.937Z","modified":"2026-07-25T18:24:32.850800958Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:47:18.573531Z"}]}}