{"id":"CVE-2023-48631","aliases":["EUVD-2023-3011","GHSA-prr3-c3m5-p7q2"],"status":"published","title":"Denial of Service of regular expression in package @adobe/css-tools","description":"@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01111,"percentile":0.66192,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-20"],"published":"2023-11-30T19:51:29Z","modified":"2026-06-17T06:34:39Z","fixes":[{"ecosystem":"npm","package":"@adobe/css-tools","fixed_in":["4.3.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@adobe/css-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2"}]}]},{"source":"osv","ecosystem":"npm","package":"@adobe/css-tools","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.3.2"}]}]}],"products":[{"vendor":"adobe","product":"css-tools"},{"vendor":"adobe","product":"not a product"}],"references":[{"url":"https://github.com/adobe/css-tools/security/advisories/GHSA-prr3-c3m5-p7q2","tags":["vendor-advisory","x_transferred","Vendor Advisory","web"]},{"url":"https://github.com/adobe/css-tools/issues/211","tags":["web"]},{"url":"https://github.com/adobe/css-tools/pull/249","tags":["web"]},{"url":"https://github.com/adobe/css-tools/commit/472bef91bde9caab305f3f36231ad0c253581b43","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48631","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-prr3-c3m5-p7q2"},{"url":"https://github.com/adobe/css-tools","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-48631","title":"Denial of Service of regular expression in package @adobe/css-tools","description":"@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.","status":"published","published":"2023-12-14T13:09:22.993Z","modified":"2024-08-02T21:37:53.427Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:26.261013Z"}],"euvd":[{"id":"EUVD-2023-3011","description":"@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.","status":"published","published":"2023-12-14T13:09:22Z","modified":"2024-08-02T21:37:53Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T03:49:57.383318Z"}],"ghsa":[{"id":"GHSA-prr3-c3m5-p7q2","title":"@adobe/css-tools Improper Input Validation and Inefficient Regular Expression Complexity","description":"### Impact\n@adobe/css-tools version 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.\n\n### Patches\nThe issue has been resolved in 4.3.2.\n\n### Workarounds\nNone\n\n### References\nN/A\n","status":"published","published":"2023-11-30T19:51:29Z","modified":"2023-12-14T22:02:40Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-20","CWE-1333"],"updated_at":"2026-11-02T14:37:26.012325Z"}],"nvd":[{"id":"CVE-2023-48631","description":"@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.","status":"published","published":"2023-12-14T13:15:54.25Z","modified":"2026-06-17T06:34:39.76Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-1333"],"updated_at":"2026-11-02T14:08:54.696438Z"}],"osv":[{"id":"GHSA-prr3-c3m5-p7q2","title":"@adobe/css-tools Improper Input Validation and Inefficient Regular Expression Complexity","description":"### Impact\n@adobe/css-tools version 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.\n\n### Patches\nThe issue has been resolved in 4.3.2.\n\n### Workarounds\nNone\n\n### References\nN/A\n","status":"published","published":"2023-11-30T19:51:29Z","modified":"2026-05-04T08:45:50.423152083Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-1333","CWE-20"],"updated_at":"2026-11-02T15:46:53.700556Z"}]}}