GHSA-9q8r-c9q4-p63hLowCVSS 2.5
fzf 0.36.0 through 0.74.5 contains an inefficient algorithmic complexity vulnerability in...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-115319
- https://github.com/junegunn/fzf/commit/b412a450538e5f4a1d7057732e75d945dafa18a6
- https://github.com/junegunn/fzf
- https://github.com/junegunn/fzf/blob/v0.74.5/src/options.go#L1680-L1736
- https://www.vulncheck.com/advisories/fzf-0.36.0-through-0.74.5-denial-of-service-via-maskactioncontents
- https://github.com/advisories/GHSA-9q8r-c9q4-p63h