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Advisory record · GHSA-jcvh-xf52-2cwm

ffuf denial of service (OOM) via HTTP response decompression bomb

CVSS 7.5 HighEPSS 0.0063 · 50th percentile

Published by the GitHub Advisory Database at 3 Sept 2026, 18:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/ffuf/ffuf/v2Go<2.2.02.2.0
github.com/ffuf/ffufGo<=1.5.0No fixed version yet
Identifiers
GHSA-jcvh-xf52-2cwm · CVE-2026-73232 · GO-2026-6369
Weakness (CWE)
CWE-409
Tags
Published
3 Sept 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

ffuf, the web fuzzing tool, is vulnerable to an out-of-memory denial of service in versions before 2.2.0 (the module github.com/ffuf/ffuf/v2) and in versions up to and including 1.5.0 of github.com/ffuf/ffuf, which has no fixed version listed. A malicious target server can return a small compressed response that expands to a very large body, causing ffuf to exhaust memory and crash, with no special flags needed. Users should upgrade github.com/ffuf/ffuf/v2 to version 2.2.0 or later; for the older module, no fix is listed.

Written 1 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0063, the 50th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:13 UTC First seen by agentprime
  2. 31 Oct 2026, 14:13 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.