{"id":"CVE-2026-115319","revision":"0e5bc252c413473e99fbf9d2a5651050","records":[{"revision":"0e5bc252c413473e99fbf9d2a5651050","observedAt":"2026-10-29T13:12:12.589+00:00","statement":{"source":"cve-program","id":"CVE-2026-115319","aliases":[],"title":"fzf 0.36.0 through 0.74.5 Denial of Service via maskActionContents","description":"fzf 0.36.0 through 0.74.5 contains an inefficient algorithmic complexity vulnerability in maskActionContents that allows local attackers to exhaust the --listen HTTP server through quadratic string concatenation. Attackers can repeatedly send POST bodies of about 1 MB to the unauthenticated localhost port, blocking the single-threaded server for about 30 seconds each time.","state":0,"publishedAt":"2026-10-22T10:57:40.288+00:00","modifiedAt":"2026-10-29T11:21:21.376+00:00","affected":[{"ecosystem":"Vendor product","name":"fzf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"junegunn\",\n                    \"product\": \"fzf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/junegunn/fzf\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.36.0\",\n                            \"lessThanOrEqual\": \"0.74.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":2,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L","score":2.5,"severity":"LOW"}],"references":["https://github.com/junegunn/fzf/commit/b412a450538e5f4a1d7057732e75d945dafa18a6","https://github.com/junegunn/fzf/blob/v0.74.5/src/options.go#L1680-L1736","https://github.com/junegunn/fzf","https://www.vulncheck.com/advisories/fzf-0.36.0-through-0.74.5-denial-of-service-via-maskactioncontents"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115319","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115319","identifiers":["CVE-2026-115319"]},"retained":false,"historicalAffected":[]}],"coverage":[]}