{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-26103","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","state":"PUBLISHED","assignerShortName":"snyk","dateReserved":"2023-02-20T10:28:48.921Z","datePublished":"2023-02-25T05:00:01.387Z","dateUpdated":"2025-03-11T15:31:01.247Z"},"containers":{"cna":{"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}],"credits":[{"value":"Alessio Della Libera","lang":"en"},{"value":"Snyk","lang":"en"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"Regular Expression Denial of Service (ReDoS)","lang":"en"}]}],"providerMetadata":{"orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk","dateUpdated":"2023-02-25T05:00:01.387Z"},"descriptions":[{"value":"Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to significantly slow down a web socket server.\r\r","lang":"en"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-RUST-DENO-3315970"},{"url":"https://github.com/denoland/deno/blob/2b247be517d789a37e532849e2e40b724af0918f/ext/http/01_http.js%23L395-L409"},{"url":"https://github.com/denoland/deno/pull/17722"},{"url":"https://github.com/denoland/deno/commit/cf06a7c7e672880e1b38598fe445e2c50b4a9d06"},{"url":"https://github.com/denoland/deno/releases/tag/v1.31.0"}],"affected":[{"product":"deno","versions":[{"version":"0","lessThan":"1.31.0","status":"affected","versionType":"semver"}],"vendor":"n/a"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T11:39:06.569Z"},"title":"CVE Program Container","references":[{"url":"https://security.snyk.io/vuln/SNYK-RUST-DENO-3315970","tags":["x_transferred"]},{"url":"https://github.com/denoland/deno/blob/2b247be517d789a37e532849e2e40b724af0918f/ext/http/01_http.js%23L395-L409","tags":["x_transferred"]},{"url":"https://github.com/denoland/deno/pull/17722","tags":["x_transferred"]},{"url":"https://github.com/denoland/deno/commit/cf06a7c7e672880e1b38598fe445e2c50b4a9d06","tags":["x_transferred"]},{"url":"https://github.com/denoland/deno/releases/tag/v1.31.0","tags":["x_transferred"]}]},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-1333","lang":"en","description":"CWE-1333 Inefficient Regular Expression Complexity"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-03-11T15:30:55.306498Z","id":"CVE-2023-26103","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-03-11T15:31:01.247Z"}}]}}