CVE Explorer
CVE-2025-61919
Rack is a modular Ruby web server interface. Prior to versions 2.2.20, 3.1.18, and 3.2.3, `Rack::Request#POST` reads the entire request body into memory for `Content-Type: application/x-www-form-urlencoded`, calling `rack.input.read(nil)` without enforcing a length or cap. Large request bodies can therefore be buffered completely into process memory before parsing, leading to denial of service (DoS) through memory exhaustion. Users should upgrade to Rack version 2.2.20, 3.1.18, or 3.2.3, anu of
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"rack","vendor":"rack","versions":[{"status":"affected","version":"< 2.2.20"},{"status":"affected","version":">= 3.0, < 3.1.18"},{"status":"affected","version":">= 3.2, < 3.2.3"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/rack/rack/commit/4e2c903991a790ee211a3021808ff4fd6fe82881","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/4e2c903991a790ee211a3021808ff4fd6fe82881"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/references/1
{"name":"https://github.com/rack/rack/commit/cbd541e8a3d0c5830a3c9a30d3718ce2e124f9db","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/cbd541e8a3d0c5830a3c9a30d3718ce2e124f9db"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/references/2
{"name":"https://github.com/rack/rack/commit/e179614c4a653283286f5f046428cbb85f21146f","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/e179614c4a653283286f5f046428cbb85f21146f"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/references/3
{"name":"https://github.com/rack/rack/security/advisories/GHSA-6xw4-3v39-52mm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rack/rack/security/advisories/GHSA-6xw4-3v39-52mm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:6bacf03366d892e1716a7730ecf6204c8ab6fd2e18d24689fd573ac5c061b9ae · sha256:cdf70ac038f3db89… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.