{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9080","assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","state":"PUBLISHED","assignerShortName":"curl","dateReserved":"2026-05-20T12:59:50.588Z","datePublished":"2026-07-03T06:17:34.905Z","dateUpdated":"2026-09-15T06:03:30.239Z"},"containers":{"cna":{"providerMetadata":{"orgId":"2499f714-1537-4658-8207-48ae4bb9eae9","shortName":"curl","dateUpdated":"2026-09-15T06:03:30.239Z"},"title":"UAF after pause in socket callback","descriptions":[{"lang":"en","value":"Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION`\ncallback triggers a use-after-free vulnerability, where libcurl attempts to\nstore a flag using a dangling struct pointer immediately after that pointer's\nmemory has been freed."}],"affected":[{"vendor":"curl","product":"curl","versions":[{"version":"8.13.0","status":"affected","versionType":"semver","lessThan":"8.14.2"},{"version":"8.15.0","status":"affected","versionType":"semver","lessThan":"8.16.1"},{"version":"8.17.0","status":"affected","versionType":"semver","lessThan":"8.20.1"}],"defaultStatus":"unaffected"},{"vendor":"curl","product":"curl","versions":[{"version":"cfc657a48dbafb4194676d4c9d841388b3a22210","status":"affected","versionType":"git","lessThan":"5ab34cba42e4ee4282fe8bab43f311d51b9bf9bd"}],"defaultStatus":"unaffected","repo":"https://github.com/curl/curl.git"},{"vendor":"curl","product":"curl","versions":[{"version":"8.20.0","status":"affected"},{"version":"8.19.0","status":"affected"},{"version":"8.18.0","status":"affected"},{"version":"8.17.0","status":"affected"},{"version":"8.16.0","status":"affected"},{"version":"8.15.0","status":"affected"},{"version":"8.14.1","status":"affected"},{"version":"8.14.0","status":"affected"},{"version":"8.13.0","status":"affected"}],"defaultStatus":"unaffected"}],"references":[{"url":"https://curl.se/docs/CVE-2026-9080.json"},{"url":"https://curl.se/docs/CVE-2026-9080.html"},{"url":"https://hackerone.com/reports/3749204"}],"x_osv":{"schema_version":"1.5.0","id":"CURL-CVE-2026-9080","aliases":["CVE-2026-9080"],"summary":"UAF after pause in socket callback","modified":"2026-09-07T10:34:51.00Z","database_specific":{"package":"curl","affects":"lib","URL":"https://curl.se/docs/CVE-2026-9080.json","www":"https://curl.se/docs/CVE-2026-9080.html","issue":"https://hackerone.com/reports/3749204","CWE":{"id":"CWE-416","desc":"Use After Free"},"last_affected":"8.20.0","severity":"Low"},"published":"2026-06-24T08:00:00.00Z","affected":[{"ranges":[{"type":"SEMVER","events":[{"introduced":"8.13.0"},{"fixed":"8.14.2"},{"introduced":"8.15.0"},{"fixed":"8.16.1"},{"introduced":"8.17.0"},{"fixed":"8.20.1"}]},{"type":"GIT","repo":"https://github.com/curl/curl.git","events":[{"introduced":"cfc657a48dbafb4194676d4c9d841388b3a22210"},{"fixed":"5ab34cba42e4ee4282fe8bab43f311d51b9bf9bd"}]}],"versions":["8.20.0","8.19.0","8.18.0","8.17.0","8.16.0","8.15.0","8.14.1","8.14.0","8.13.0"]}],"credits":[{"name":"Joshua Rogers (Aisle Research)","type":"finder"},{"name":"Joshua Rogers (Aisle Research)","type":"remediation developer"},{"name":"Daniel Stenberg","type":"remediation developer"}],"details":"Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION`\ncallback triggers a use-after-free vulnerability, where libcurl attempts to\nstore a flag using a dangling struct pointer immediately after that pointer's\nmemory has been freed."},"problemTypes":[{"descriptions":[{"lang":"en","description":"Use After Free","cweId":"CWE-416","type":"CWE"}]}],"credits":[{"lang":"en","value":"Joshua Rogers (Aisle Research)","type":"finder"},{"lang":"en","value":"Joshua Rogers (Aisle Research)","type":"remediation developer"},{"lang":"en","value":"Daniel Stenberg","type":"remediation developer"}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"references":[{"url":"https://hackerone.com/reports/3749204","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.3,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-06T16:54:41.919630Z","id":"CVE-2026-9080","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-06T16:55:16.890Z"}}]}}