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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-53433

fzf is vulnerable to a Denial of Service (DoS) due to inefficient HTTP body processing in the --listen mode due to inefficient HTTP body processing using repeated string concatenation, resulting in quadratic time complexity (O(n²)). A crafted POST request with many small segments can trigger excessive CPU usage during request handling.This allows a single malicious request to monopolize the single‑threaded HTTP server, blocking all other clients and resulting in denial of service. This issue was fixed in version 0.73.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.9%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-53433
  • Junegunn » Fzf » Version: 0.1.0
    cpe:2.3:a:junegunn:fzf:0.1.0
  • Junegunn » Fzf » Version: 0.10.0
    cpe:2.3:a:junegunn:fzf:0.10.0
  • Junegunn » Fzf » Version: 0.10.1
    cpe:2.3:a:junegunn:fzf:0.10.1
  • Junegunn » Fzf » Version: 0.10.2
    cpe:2.3:a:junegunn:fzf:0.10.2
  • Junegunn » Fzf » Version: 0.10.3
    cpe:2.3:a:junegunn:fzf:0.10.3
  • Junegunn » Fzf » Version: 0.10.4
    cpe:2.3:a:junegunn:fzf:0.10.4
  • Junegunn » Fzf » Version: 0.10.5
    cpe:2.3:a:junegunn:fzf:0.10.5
  • Junegunn » Fzf » Version: 0.10.6
    cpe:2.3:a:junegunn:fzf:0.10.6
  • Junegunn » Fzf » Version: 0.10.7
    cpe:2.3:a:junegunn:fzf:0.10.7
  • Junegunn » Fzf » Version: 0.10.8
    cpe:2.3:a:junegunn:fzf:0.10.8
  • Junegunn » Fzf » Version: 0.10.9
    cpe:2.3:a:junegunn:fzf:0.10.9
  • Junegunn » Fzf » Version: 0.11.0
    cpe:2.3:a:junegunn:fzf:0.11.0
  • Junegunn » Fzf » Version: 0.11.1
    cpe:2.3:a:junegunn:fzf:0.11.1
  • Junegunn » Fzf » Version: 0.11.2
    cpe:2.3:a:junegunn:fzf:0.11.2
  • Junegunn » Fzf » Version: 0.11.3
    cpe:2.3:a:junegunn:fzf:0.11.3
  • Junegunn » Fzf » Version: 0.11.4
    cpe:2.3:a:junegunn:fzf:0.11.4
  • Junegunn » Fzf » Version: 0.12.0
    cpe:2.3:a:junegunn:fzf:0.12.0
  • Junegunn » Fzf » Version: 0.12.1
    cpe:2.3:a:junegunn:fzf:0.12.1
  • Junegunn » Fzf » Version: 0.12.2
    cpe:2.3:a:junegunn:fzf:0.12.2
  • Junegunn » Fzf » Version: 0.13.0
    cpe:2.3:a:junegunn:fzf:0.13.0
  • Junegunn » Fzf » Version: 0.13.1
    cpe:2.3:a:junegunn:fzf:0.13.1
  • Junegunn » Fzf » Version: 0.13.2
    cpe:2.3:a:junegunn:fzf:0.13.2
  • Junegunn » Fzf » Version: 0.13.3
    cpe:2.3:a:junegunn:fzf:0.13.3
  • Junegunn » Fzf » Version: 0.13.4
    cpe:2.3:a:junegunn:fzf:0.13.4
  • Junegunn » Fzf » Version: 0.13.5
    cpe:2.3:a:junegunn:fzf:0.13.5
  • Junegunn » Fzf » Version: 0.15.0
    cpe:2.3:a:junegunn:fzf:0.15.0
  • Junegunn » Fzf » Version: 0.15.1
    cpe:2.3:a:junegunn:fzf:0.15.1
  • Junegunn » Fzf » Version: 0.15.2
    cpe:2.3:a:junegunn:fzf:0.15.2
  • Junegunn » Fzf » Version: 0.15.3
    cpe:2.3:a:junegunn:fzf:0.15.3
  • Junegunn » Fzf » Version: 0.15.4
    cpe:2.3:a:junegunn:fzf:0.15.4
  • Junegunn » Fzf » Version: 0.15.5
    cpe:2.3:a:junegunn:fzf:0.15.5
  • Junegunn » Fzf » Version: 0.15.6
    cpe:2.3:a:junegunn:fzf:0.15.6
  • Junegunn » Fzf » Version: 0.15.7
    cpe:2.3:a:junegunn:fzf:0.15.7
  • Junegunn » Fzf » Version: 0.15.8
    cpe:2.3:a:junegunn:fzf:0.15.8
  • Junegunn » Fzf » Version: 0.15.9
    cpe:2.3:a:junegunn:fzf:0.15.9
  • Junegunn » Fzf » Version: 0.16.0
    cpe:2.3:a:junegunn:fzf:0.16.0
  • Junegunn » Fzf » Version: 0.16.1
    cpe:2.3:a:junegunn:fzf:0.16.1
  • Junegunn » Fzf » Version: 0.16.10
    cpe:2.3:a:junegunn:fzf:0.16.10
  • Junegunn » Fzf » Version: 0.16.11
    cpe:2.3:a:junegunn:fzf:0.16.11
  • Junegunn » Fzf » Version: 0.16.2
    cpe:2.3:a:junegunn:fzf:0.16.2
  • Junegunn » Fzf » Version: 0.16.3
    cpe:2.3:a:junegunn:fzf:0.16.3
  • Junegunn » Fzf » Version: 0.16.4
    cpe:2.3:a:junegunn:fzf:0.16.4
  • Junegunn » Fzf » Version: 0.16.5
    cpe:2.3:a:junegunn:fzf:0.16.5
  • Junegunn » Fzf » Version: 0.16.6
    cpe:2.3:a:junegunn:fzf:0.16.6
  • Junegunn » Fzf » Version: 0.16.7
    cpe:2.3:a:junegunn:fzf:0.16.7
  • Junegunn » Fzf » Version: 0.16.8
    cpe:2.3:a:junegunn:fzf:0.16.8
  • Junegunn » Fzf » Version: 0.16.9
    cpe:2.3:a:junegunn:fzf:0.16.9
  • Junegunn » Fzf » Version: 0.17.0
    cpe:2.3:a:junegunn:fzf:0.17.0
  • Junegunn » Fzf » Version: 0.17.0-2
    cpe:2.3:a:junegunn:fzf:0.17.0-2
  • Junegunn » Fzf » Version: 0.17.1
    cpe:2.3:a:junegunn:fzf:0.17.1
  • Junegunn » Fzf » Version: 0.17.3
    cpe:2.3:a:junegunn:fzf:0.17.3
  • Junegunn » Fzf » Version: 0.17.4
    cpe:2.3:a:junegunn:fzf:0.17.4
  • Junegunn » Fzf » Version: 0.17.5
    cpe:2.3:a:junegunn:fzf:0.17.5
  • Junegunn » Fzf » Version: 0.18.0
    cpe:2.3:a:junegunn:fzf:0.18.0
  • Junegunn » Fzf » Version: 0.19.0
    cpe:2.3:a:junegunn:fzf:0.19.0
  • Junegunn » Fzf » Version: 0.20.0
    cpe:2.3:a:junegunn:fzf:0.20.0
  • Junegunn » Fzf » Version: 0.21.0
    cpe:2.3:a:junegunn:fzf:0.21.0
  • Junegunn » Fzf » Version: 0.21.0-1
    cpe:2.3:a:junegunn:fzf:0.21.0-1
  • Junegunn » Fzf » Version: 0.21.1
    cpe:2.3:a:junegunn:fzf:0.21.1
  • Junegunn » Fzf » Version: 0.22.0
    cpe:2.3:a:junegunn:fzf:0.22.0
  • Junegunn » Fzf » Version: 0.23.0
    cpe:2.3:a:junegunn:fzf:0.23.0
  • Junegunn » Fzf » Version: 0.23.1
    cpe:2.3:a:junegunn:fzf:0.23.1
  • Junegunn » Fzf » Version: 0.24.0
    cpe:2.3:a:junegunn:fzf:0.24.0
  • Junegunn » Fzf » Version: 0.24.0-1
    cpe:2.3:a:junegunn:fzf:0.24.0-1
  • Junegunn » Fzf » Version: 0.24.1
    cpe:2.3:a:junegunn:fzf:0.24.1
  • Junegunn » Fzf » Version: 0.24.2
    cpe:2.3:a:junegunn:fzf:0.24.2
  • Junegunn » Fzf » Version: 0.24.3
    cpe:2.3:a:junegunn:fzf:0.24.3
  • Junegunn » Fzf » Version: 0.24.4
    cpe:2.3:a:junegunn:fzf:0.24.4
  • Junegunn » Fzf » Version: 0.25.0
    cpe:2.3:a:junegunn:fzf:0.25.0
  • Junegunn » Fzf » Version: 0.25.1
    cpe:2.3:a:junegunn:fzf:0.25.1
  • Junegunn » Fzf » Version: 0.26.0
    cpe:2.3:a:junegunn:fzf:0.26.0
  • Junegunn » Fzf » Version: 0.27.0
    cpe:2.3:a:junegunn:fzf:0.27.0
  • Junegunn » Fzf » Version: 0.27.1
    cpe:2.3:a:junegunn:fzf:0.27.1
  • Junegunn » Fzf » Version: 0.27.2
    cpe:2.3:a:junegunn:fzf:0.27.2
  • Junegunn » Fzf » Version: 0.27.3
    cpe:2.3:a:junegunn:fzf:0.27.3
  • Junegunn » Fzf » Version: 0.28.0
    cpe:2.3:a:junegunn:fzf:0.28.0
  • Junegunn » Fzf » Version: 0.29.0
    cpe:2.3:a:junegunn:fzf:0.29.0
  • Junegunn » Fzf » Version: 0.3.1
    cpe:2.3:a:junegunn:fzf:0.3.1
  • Junegunn » Fzf » Version: 0.30.0
    cpe:2.3:a:junegunn:fzf:0.30.0
  • Junegunn » Fzf » Version: 0.31.0
    cpe:2.3:a:junegunn:fzf:0.31.0
  • Junegunn » Fzf » Version: 0.32.0
    cpe:2.3:a:junegunn:fzf:0.32.0
  • Junegunn » Fzf » Version: 0.32.1
    cpe:2.3:a:junegunn:fzf:0.32.1
  • Junegunn » Fzf » Version: 0.33.0
    cpe:2.3:a:junegunn:fzf:0.33.0
  • Junegunn » Fzf » Version: 0.34.0
    cpe:2.3:a:junegunn:fzf:0.34.0
  • Junegunn » Fzf » Version: 0.35.0
    cpe:2.3:a:junegunn:fzf:0.35.0
  • Junegunn » Fzf » Version: 0.35.1
    cpe:2.3:a:junegunn:fzf:0.35.1
  • Junegunn » Fzf » Version: 0.36.0
    cpe:2.3:a:junegunn:fzf:0.36.0
  • Junegunn » Fzf » Version: 0.37.0
    cpe:2.3:a:junegunn:fzf:0.37.0
  • Junegunn » Fzf » Version: 0.38.0
    cpe:2.3:a:junegunn:fzf:0.38.0
  • Junegunn » Fzf » Version: 0.39.0
    cpe:2.3:a:junegunn:fzf:0.39.0
  • Junegunn » Fzf » Version: 0.4.0
    cpe:2.3:a:junegunn:fzf:0.4.0
  • Junegunn » Fzf » Version: 0.4.2
    cpe:2.3:a:junegunn:fzf:0.4.2
  • Junegunn » Fzf » Version: 0.40.0
    cpe:2.3:a:junegunn:fzf:0.40.0
  • Junegunn » Fzf » Version: 0.41.0
    cpe:2.3:a:junegunn:fzf:0.41.0
  • Junegunn » Fzf » Version: 0.41.1
    cpe:2.3:a:junegunn:fzf:0.41.1
  • Junegunn » Fzf » Version: 0.42.0
    cpe:2.3:a:junegunn:fzf:0.42.0
  • Junegunn » Fzf » Version: 0.43.0
    cpe:2.3:a:junegunn:fzf:0.43.0
  • Junegunn » Fzf » Version: 0.44.0
    cpe:2.3:a:junegunn:fzf:0.44.0
  • Junegunn » Fzf » Version: 0.44.1
    cpe:2.3:a:junegunn:fzf:0.44.1
  • Junegunn » Fzf » Version: 0.45.0
    cpe:2.3:a:junegunn:fzf:0.45.0
  • Junegunn » Fzf » Version: 0.46.0
    cpe:2.3:a:junegunn:fzf:0.46.0
  • Junegunn » Fzf » Version: 0.46.1
    cpe:2.3:a:junegunn:fzf:0.46.1
  • Junegunn » Fzf » Version: 0.47.0
    cpe:2.3:a:junegunn:fzf:0.47.0
  • Junegunn » Fzf » Version: 0.48.0
    cpe:2.3:a:junegunn:fzf:0.48.0
  • Junegunn » Fzf » Version: 0.48.1
    cpe:2.3:a:junegunn:fzf:0.48.1
  • Junegunn » Fzf » Version: 0.49.0
    cpe:2.3:a:junegunn:fzf:0.49.0
  • Junegunn » Fzf » Version: 0.5.0
    cpe:2.3:a:junegunn:fzf:0.5.0
  • Junegunn » Fzf » Version: 0.5.1
    cpe:2.3:a:junegunn:fzf:0.5.1
  • Junegunn » Fzf » Version: 0.50.0
    cpe:2.3:a:junegunn:fzf:0.50.0
  • Junegunn » Fzf » Version: 0.51.0
    cpe:2.3:a:junegunn:fzf:0.51.0
  • Junegunn » Fzf » Version: 0.52.0
    cpe:2.3:a:junegunn:fzf:0.52.0
  • Junegunn » Fzf » Version: 0.52.1
    cpe:2.3:a:junegunn:fzf:0.52.1
  • Junegunn » Fzf » Version: 0.53.0
    cpe:2.3:a:junegunn:fzf:0.53.0
  • Junegunn » Fzf » Version: 0.54.0
    cpe:2.3:a:junegunn:fzf:0.54.0
  • Junegunn » Fzf » Version: 0.54.1
    cpe:2.3:a:junegunn:fzf:0.54.1
  • Junegunn » Fzf » Version: 0.54.2
    cpe:2.3:a:junegunn:fzf:0.54.2
  • Junegunn » Fzf » Version: 0.54.3
    cpe:2.3:a:junegunn:fzf:0.54.3
  • Junegunn » Fzf » Version: 0.55.0
    cpe:2.3:a:junegunn:fzf:0.55.0
  • Junegunn » Fzf » Version: 0.56.0
    cpe:2.3:a:junegunn:fzf:0.56.0
  • Junegunn » Fzf » Version: 0.56.1
    cpe:2.3:a:junegunn:fzf:0.56.1
  • Junegunn » Fzf » Version: 0.56.2
    cpe:2.3:a:junegunn:fzf:0.56.2
  • Junegunn » Fzf » Version: 0.56.3
    cpe:2.3:a:junegunn:fzf:0.56.3
  • Junegunn » Fzf » Version: 0.57.0
    cpe:2.3:a:junegunn:fzf:0.57.0
  • Junegunn » Fzf » Version: 0.58.0
    cpe:2.3:a:junegunn:fzf:0.58.0
  • Junegunn » Fzf » Version: 0.59.0
    cpe:2.3:a:junegunn:fzf:0.59.0
  • Junegunn » Fzf » Version: 0.6.0
    cpe:2.3:a:junegunn:fzf:0.6.0
  • Junegunn » Fzf » Version: 0.60.0
    cpe:2.3:a:junegunn:fzf:0.60.0
  • Junegunn » Fzf » Version: 0.60.1
    cpe:2.3:a:junegunn:fzf:0.60.1
  • Junegunn » Fzf » Version: 0.60.2
    cpe:2.3:a:junegunn:fzf:0.60.2
  • Junegunn » Fzf » Version: 0.60.3
    cpe:2.3:a:junegunn:fzf:0.60.3
  • Junegunn » Fzf » Version: 0.61.0
    cpe:2.3:a:junegunn:fzf:0.61.0
  • Junegunn » Fzf » Version: 0.61.1
    cpe:2.3:a:junegunn:fzf:0.61.1
  • Junegunn » Fzf » Version: 0.61.2
    cpe:2.3:a:junegunn:fzf:0.61.2
  • Junegunn » Fzf » Version: 0.61.3
    cpe:2.3:a:junegunn:fzf:0.61.3
  • Junegunn » Fzf » Version: 0.62.0
    cpe:2.3:a:junegunn:fzf:0.62.0
  • Junegunn » Fzf » Version: 0.63.0
    cpe:2.3:a:junegunn:fzf:0.63.0
  • Junegunn » Fzf » Version: 0.64.0
    cpe:2.3:a:junegunn:fzf:0.64.0
  • Junegunn » Fzf » Version: 0.65.0
    cpe:2.3:a:junegunn:fzf:0.65.0
  • Junegunn » Fzf » Version: 0.65.1
    cpe:2.3:a:junegunn:fzf:0.65.1
  • Junegunn » Fzf » Version: 0.65.2
    cpe:2.3:a:junegunn:fzf:0.65.2
  • Junegunn » Fzf » Version: 0.66.0
    cpe:2.3:a:junegunn:fzf:0.66.0
  • Junegunn » Fzf » Version: 0.66.1
    cpe:2.3:a:junegunn:fzf:0.66.1
  • Junegunn » Fzf » Version: 0.67.0
    cpe:2.3:a:junegunn:fzf:0.67.0
  • Junegunn » Fzf » Version: 0.68.0
    cpe:2.3:a:junegunn:fzf:0.68.0
  • Junegunn » Fzf » Version: 0.7.0
    cpe:2.3:a:junegunn:fzf:0.7.0
  • Junegunn » Fzf » Version: 0.7.1
    cpe:2.3:a:junegunn:fzf:0.7.1
  • Junegunn » Fzf » Version: 0.70.0
    cpe:2.3:a:junegunn:fzf:0.70.0
  • Junegunn » Fzf » Version: 0.71.0
    cpe:2.3:a:junegunn:fzf:0.71.0
  • Junegunn » Fzf » Version: 0.72.0
    cpe:2.3:a:junegunn:fzf:0.72.0
  • Junegunn » Fzf » Version: 0.73.0
    cpe:2.3:a:junegunn:fzf:0.73.0
  • Junegunn » Fzf » Version: 0.8.0
    cpe:2.3:a:junegunn:fzf:0.8.0
  • Junegunn » Fzf » Version: 0.8.1
    cpe:2.3:a:junegunn:fzf:0.8.1
  • Junegunn » Fzf » Version: 0.8.2
    cpe:2.3:a:junegunn:fzf:0.8.2
  • Junegunn » Fzf » Version: 0.8.3
    cpe:2.3:a:junegunn:fzf:0.8.3
  • Junegunn » Fzf » Version: 0.8.4
    cpe:2.3:a:junegunn:fzf:0.8.4
  • Junegunn » Fzf » Version: 0.8.5
    cpe:2.3:a:junegunn:fzf:0.8.5
  • Junegunn » Fzf » Version: 0.8.6
    cpe:2.3:a:junegunn:fzf:0.8.6
  • Junegunn » Fzf » Version: 0.8.7
    cpe:2.3:a:junegunn:fzf:0.8.7
  • Junegunn » Fzf » Version: 0.8.8
    cpe:2.3:a:junegunn:fzf:0.8.8
  • Junegunn » Fzf » Version: 0.8.9
    cpe:2.3:a:junegunn:fzf:0.8.9
  • Junegunn » Fzf » Version: 0.9.0
    cpe:2.3:a:junegunn:fzf:0.9.0
  • Junegunn » Fzf » Version: 0.9.1
    cpe:2.3:a:junegunn:fzf:0.9.1
  • Junegunn » Fzf » Version: 0.9.10
    cpe:2.3:a:junegunn:fzf:0.9.10
  • Junegunn » Fzf » Version: 0.9.11
    cpe:2.3:a:junegunn:fzf:0.9.11
  • Junegunn » Fzf » Version: 0.9.12
    cpe:2.3:a:junegunn:fzf:0.9.12
  • Junegunn » Fzf » Version: 0.9.13
    cpe:2.3:a:junegunn:fzf:0.9.13
  • Junegunn » Fzf » Version: 0.9.2
    cpe:2.3:a:junegunn:fzf:0.9.2
  • Junegunn » Fzf » Version: 0.9.3
    cpe:2.3:a:junegunn:fzf:0.9.3
  • Junegunn » Fzf » Version: 0.9.4
    cpe:2.3:a:junegunn:fzf:0.9.4
  • Junegunn » Fzf » Version: 0.9.4-1
    cpe:2.3:a:junegunn:fzf:0.9.4-1
  • Junegunn » Fzf » Version: 0.9.7
    cpe:2.3:a:junegunn:fzf:0.9.7
  • Junegunn » Fzf » Version: 0.9.7-1
    cpe:2.3:a:junegunn:fzf:0.9.7-1


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