{"id":"CVE-2025-47905","state":"PUBLISHED","title":"Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF","description":"Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.","publishedAt":"2025-05-13T00:00:00.000Z","updatedAt":"2025-05-29T09:03:18.582Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","source":"mitre"},"assigner":"mitre","products":["varnish-software Varnish Cache"],"affected":[{"vendor":"varnish-software","product":"Varnish Cache","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"6.0.14 LTS","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThan":"7.6.3","versionType":"custom"},{"version":"7.7.0","status":"affected","lessThan":"7.7.1","versionType":"custom"}]}],"references":["https://varnish-cache.org/security/VSV00016.html","http://www.openwall.com/lists/oss-security/2025/05/15/2","https://lists.debian.org/debian-lts-announce/2025/05/msg00040.html"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/47xxx/CVE-2025-47905.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-47905","state":"PUBLISHED","datePublished":"2025-05-13T00:00:00.000Z","dateUpdated":"2025-05-29T09:03:18.582Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2025-05-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries."}],"affected":[{"vendor":"varnish-software","product":"Varnish Cache","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"6.0.14 LTS","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThan":"7.6.3","versionType":"custom"},{"version":"7.7.0","status":"affected","lessThan":"7.7.1","versionType":"custom"}]}],"references":[{"url":"https://varnish-cache.org/security/VSV00016.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2025-05-13T22:02:08.051Z"},"x_generator":{"engine":"enrichogram 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*","versionEndExcluding":"6.0.14 LTS"},{"vulnerable":true,"criteria":"cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndExcluding":"7.6.3"},{"vulnerable":true,"criteria":"cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*","versionStartIncluding":"7.7.0","versionEndExcluding":"7.7.1"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-14T14:15:16.258197Z","id":"CVE-2025-47905","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-14T14:15:21.703Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2025/05/15/2"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00040.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-05-29T09:03:18.582Z"}}]}}}