CVE Explorer
CVE-2025-61772
Rack is a modular Ruby web server interface. In versions prior to 2.2.19, 3.1.17, and 3.2.2, `Rack::Multipart::Parser` can accumulate unbounded data when a multipart part’s header block never terminates with the required blank line (`CRLFCRLF`). The parser keeps appending incoming bytes to memory without a size cap, allowing a remote attacker to exhaust memory and cause a denial of service (DoS). Attackers can send incomplete multipart headers to trigger high memory use, leading to process termi
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":"< 2.2.19"},{"status":"affected","version":">= 3.1, < 3.1.17"},{"status":"affected","version":">= 3.2, < 3.2.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /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:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /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:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/rack/rack/commit/589127f4ac8b5cf11cf88fb0cd116ffed4d2181e","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/589127f4ac8b5cf11cf88fb0cd116ffed4d2181e"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /containers/cna/references/1
{"name":"https://github.com/rack/rack/commit/d869fed663b113b95a74ad53e1b5cae6ab31f29e","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/d869fed663b113b95a74ad53e1b5cae6ab31f29e"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /containers/cna/references/2
{"name":"https://github.com/rack/rack/commit/e08f78c656c9394d6737c022bde087e0f33336fd","tags":["x_refsource_MISC"],"url":"https://github.com/rack/rack/commit/e08f78c656c9394d6737c022bde087e0f33336fd"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /containers/cna/references/3
{"name":"https://github.com/rack/rack/security/advisories/GHSA-wpv5-97wm-hp9c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rack/rack/security/advisories/GHSA-wpv5-97wm-hp9c"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:fa570ffd21284f8736648a843da1cd02f0a03686b2b8a1bce25f3f74aaacb0f8 · sha256:8e76262cb959fe43… · /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.