{"id":"CVE-2021-28092","aliases":["CLSA-2026-1775003203","EUVD-2021-0627","GHSA-7r28-3m3f-r2pr","ROOT-APP-NPM-CVE-2021-28092"],"status":"published","title":"Regular Expression Denial of Service (ReDoS)","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02027,"percentile":0.81156,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-400"],"published":"2021-03-12T21:31:35Z","modified":"2026-10-20T10:54:36Z","fixes":[{"ecosystem":"npm","package":"is-svg","fixed_in":["4.2.2"],"sources":["ghsa","osv"]},{"ecosystem":"Root:npm","package":"is-svg","fixed_in":["2.1.0-aikido.1","3.0.0-aikido.1","3.0.0-aikido.2","2.1.0-aikido.2"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/is-svg","fixed_in":["2.1.0-root.io.1","3.0.0-root.io.1","3.0.0-root.io.2","2.1.0-root.io.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"is-svg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"4.2.2"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"is-svg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0-tuxcare.0"},{"fixed":"2.1.0-tuxcare.1"}]}],"versions":["2.1.0"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"is-svg","ranges":[{"type":"SEMVER","events":[{"introduced":"2.1.0"},{"fixed":"4.2.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"is-svg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-aikido.1"},{"fixed":"3.0.0-aikido.1"},{"fixed":"3.0.0-aikido.2"},{"fixed":"2.1.0-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/is-svg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-root.io.1"},{"fixed":"3.0.0-root.io.1"},{"fixed":"3.0.0-root.io.2"},{"fixed":"2.1.0-root.io.2"}]}]}],"products":[{"vendor":"is-svg_project","product":"is-svg"}],"references":[{"url":"https://github.com/sindresorhus/is-svg/releases","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://www.npmjs.com/package/is-svg","tags":["x_refsource_MISC","x_transferred","Product","web"]},{"url":"https://github.com/sindresorhus/is-svg/releases/tag/v4.2.2","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://security.netapp.com/advisory/ntap-20210513-0008/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28092","tags":["advisory"]},{"url":"https://github.com/sindresorhus/is-svg/commit/01f8a087fab8a69c3ac9085fbb16035907ab6a5b","tags":["web"]},{"url":"https://github.com/advisories/GHSA-7r28-3m3f-r2pr"},{"url":"https://security.netapp.com/advisory/ntap-20210513-0008","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-28092","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.","status":"published","published":"2021-03-12T21:31:35Z","modified":"2024-08-03T21:33:17.358Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-0627","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.","status":"published","published":"2021-03-12T21:31:35Z","modified":"2024-08-03T21:33:17Z","updated_at":"2026-11-03T03:24:47.80549Z"}],"ghsa":[{"id":"GHSA-7r28-3m3f-r2pr","title":"Regular Expression Denial of Service (ReDoS)","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input.","status":"published","published":"2021-03-19T21:25:50Z","modified":"2023-09-21T22:04:01Z","cvss":[{"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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:37:06.234371Z"}],"nvd":[{"id":"CVE-2021-28092","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.","status":"published","published":"2021-03-12T22:15:14.983Z","modified":"2026-06-17T03:45:47.96Z","cvss":[{"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"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:06:50.805771Z"}],"osv":[{"id":"CVE-2021-28092","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input for a very long time.","status":"published","published":"2021-03-12T22:15:14.983Z","modified":"2026-10-20T10:54:36.142905535Z","cvss":[{"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"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"GHSA-7r28-3m3f-r2pr","title":"Regular Expression Denial of Service (ReDoS)","description":"The is-svg package 2.1.0 through 4.2.1 for Node.js uses a regular expression that is vulnerable to Regular Expression Denial of Service (ReDoS). If an attacker provides a malicious string, is-svg will get stuck processing the input.","status":"published","published":"2021-03-19T21:25:50Z","modified":"2023-11-08T04:05:28.214783Z","cvss":[{"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"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:41.349637Z"},{"id":"CLSA-2026-1775003203","title":"TuxCare security update for is-svg (2 CVEs)","description":"TuxCare rebuilt is-svg to address 2 CVEs. Fixed in 2.1.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:19Z","modified":"2026-10-15T09:47:49.283808744Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"ROOT-APP-NPM-CVE-2021-28092","title":"CVE-2021-28092 in is-svg - Patched by Root","description":"Root has patched CVE-2021-28092 in the is-svg package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-09-01T09:53:34Z","modified":"2026-09-01T11:30:03.95194511Z","updated_at":"2026-11-02T15:53:27.362922Z"}]}}