{"id":"CVE-2021-29059","aliases":["GHSA-r8j5-h5cx-65gg"],"url":"https://o3.security/vulnerability/CVE-2021-29059","summary":"ReDOS in IS-SVG","details":"A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.","published":"2021-06-21T16:15:08.080Z","modified":"2026-07-08T12:53:56.672285Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02813,"percentile":0.85384,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"is-svg","fixedVersion":"4.3.0"}],"fix":null,"references":[{"type":"WEB","url":"https://www.npmjs.com/package/is-svg"},{"type":"ADVISORY","url":"https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0"},{"type":"ADVISORY","url":"https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js"},{"type":"FIX","url":"https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:53:56.672285Z"}}