{"id":"CVE-2026-73232","state":"PUBLISHED","title":"ffuf denial of service (OOM) via HTTP response decompression bomb","description":"ffuf is a fast web fuzzer written in Go. Prior to 2.2.0, ffuf allows a malicious target server to cause an out-of-memory denial of service because the response size guard in pkg/runner/simple.go checks only the compressed Content-Length while io.ReadAll reads gzip, brotli, deflate, transparently decompressed, or chunked response bodies without a decompressed-size bound. This issue is fixed in version 2.2.0.","publishedAt":"2026-08-11T19:32:48.560Z","updatedAt":"2026-08-12T12:59:07.465Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ffuf ffuf"],"affected":[{"vendor":"ffuf","product":"ffuf","versions":[{"version":"< 2.2.0","status":"affected"}]}],"references":["https://github.com/ffuf/ffuf/security/advisories/GHSA-jcvh-xf52-2cwm","https://github.com/ffuf/ffuf/pull/897","https://github.com/ffuf/ffuf/commit/fb0da86c60443b0dddbc9a86e91e3a6487dff79b","https://github.com/ffuf/ffuf/releases/tag/v2.2.0"],"weaknesses":["CWE-409"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73232.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73232","state":"PUBLISHED","datePublished":"2026-08-11T19:32:48.560Z","dateUpdated":"2026-08-12T12:59:07.465Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-11T14:41:20.123Z"},"containers":{"cna":{"title":"ffuf denial of service (OOM) via HTTP response decompression bomb","descriptions":[{"lang":"en","value":"ffuf is a fast web fuzzer written in Go. Prior to 2.2.0, ffuf allows a malicious target server to cause an out-of-memory denial of service because the response size guard in pkg/runner/simple.go checks only the compressed Content-Length while io.ReadAll reads gzip, brotli, deflate, transparently decompressed, or chunked response bodies without a decompressed-size bound. This issue is fixed in version 2.2.0."}],"affected":[{"vendor":"ffuf","product":"ffuf","versions":[{"version":"< 2.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/ffuf/ffuf/security/advisories/GHSA-jcvh-xf52-2cwm","name":"https://github.com/ffuf/ffuf/security/advisories/GHSA-jcvh-xf52-2cwm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ffuf/ffuf/pull/897","name":"https://github.com/ffuf/ffuf/pull/897","tags":["x_refsource_MISC"]},{"url":"https://github.com/ffuf/ffuf/commit/fb0da86c60443b0dddbc9a86e91e3a6487dff79b","name":"https://github.com/ffuf/ffuf/commit/fb0da86c60443b0dddbc9a86e91e3a6487dff79b","tags":["x_refsource_MISC"]},{"url":"https://github.com/ffuf/ffuf/releases/tag/v2.2.0","name":"https://github.com/ffuf/ffuf/releases/tag/v2.2.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-409","lang":"en","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-11T19:32:48.560Z"},"source":{"advisory":"GHSA-jcvh-xf52-2cwm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T12:58:46.820544Z","id":"CVE-2026-73232","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T12:59:07.465Z"}}]}}}