{"id":"CVE-2025-0665","title":"libcurl would wrongly close the same eventfd file descriptor twice when taking\ndown a connection channel after having completed a threaded name resolve.","summary":"libcurl would wrongly close the same eventfd file descriptor twice when taking\ndown a connection channel after having completed a threaded name resolve.","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H","vendor":"haxx","product":"curl","affected":["curl = 8.11.1","bootstrap_os","h300s_firmware","h410c_firmware","h410s_firmware","h500s_firmware","h700s_firmware"],"published":"2025-02-05","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:17:22.017","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-0665","references":[{"url":"https://curl.se/docs/CVE-2025-0665.html","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://curl.se/docs/CVE-2025-0665.json","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"https://hackerone.com/reports/2954286","label":"2499f714-1537-4658-8207-48ae4bb9eae9"},{"url":"http://www.openwall.com/lists/oss-security/2025/02/05/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2025/02/05/5","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20250306-0007/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-089022.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.01331,"epssPercentile":0.70645,"ingestedAt":"2026-10-15T03:30:12.782Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-03-17T17:42:03.317434Z"},"cwe":["CWE-1341"],"slug":"CVE-2025-0665","body":"## Overview\n\nlibcurl would wrongly close the same eventfd file descriptor twice when taking\ndown a connection channel after having completed a threaded name resolve.\n\n## Affected\n\n- `curl = 8.11.1`\n- `bootstrap_os`\n- `h300s_firmware`\n- `h410c_firmware`\n- `h410s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}