{"id":"CVE-2022-27782","title":"libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse i…","summary":"libcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse i…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-840","CWE-295"],"vendor":"haxx","product":"curl","affected":["curl < 7.83.1","debian_linux = 10.0","debian_linux = 11.0","universal_forwarder >= 8.2.0, < 8.2.12","universal_forwarder >= 9.0.0, < 9.0.6","universal_forwarder = 9.1.0"],"patched":["curl 7.83.1","universal_forwarder 9.0.6"],"published":"2022-06-02","updated":"2026-10-14","sourceUpdated":"2026-10-14T17:17:37.630","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-27782","references":[{"url":"http://www.openwall.com/lists/oss-security/2023/03/20/6","label":"support@hackerone.com"},{"url":"https://hackerone.com/reports/1555796","label":"support@hackerone.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html","label":"support@hackerone.com"},{"url":"https://security.gentoo.org/glsa/202212-01","label":"support@hackerone.com"},{"url":"https://security.netapp.com/advisory/ntap-20220609-0009/","label":"support@hackerone.com"},{"url":"https://www.debian.org/security/2022/dsa-5197","label":"support@hackerone.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/03/20/6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/1555796","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202212-01","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20220609-0009/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5197","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-146325.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://hackerone.com/reports/1555796","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.0293,"epssPercentile":0.8682,"ingestedAt":"2026-10-14T17:44:53.597Z","slug":"CVE-2022-27782","body":"## Overview\n\nlibcurl would reuse a previously created connection even when a TLS or SSHrelated option had been changed that should have prohibited reuse.libcurl keeps previously used connections in a connection pool for subsequenttransfers to reuse if one of them matches the setup. However, several TLS andSSH settings were left out from the configuration match checks, making themmatch too easily.\n\n## Affected\n\n- `curl < 7.83.1`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `universal_forwarder >= 8.2.0, < 8.2.12`\n- `universal_forwarder >= 9.0.0, < 9.0.6`\n- `universal_forwarder = 9.1.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `curl 7.83.1`\n- `universal_forwarder 9.0.6`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.6,"exploitation":0,"ransomware":0},"changes":[]}