{"id":"CVE-2022-32206","title":"curl < 7.84.0 supports \"chained\" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms","summary":"curl < 7.84.0 supports \"chained\" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable \"links\" in this \"decompression chain\" was un…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-770","CWE-770"],"vendor":"haxx","product":"curl","affected":["curl < 7.84.0","fedora = 35","debian_linux = 10.0","debian_linux = 11.0","clustered_data_ontap","element_software","hci_management_node","solidfire","bootstrap_os","h300s_firmware","h500s_firmware","h700s_firmware","h410s_firmware","scalance_sc622-2c_firmware < 3.0","scalance_sc626-2c_firmware < 3.0","scalance_sc632-2c_firmware < 3.0","scalance_sc636-2c_firmware < 3.0","scalance_sc642-2c_firmware < 3.0","scalance_sc646-2c_firmware < 3.0","universal_forwarder >= 8.2.0, < 8.2.12","universal_forwarder >= 9.0.0, < 9.0.6","universal_forwarder = 9.1.0"],"patched":["curl 7.84.0","scalance_sc622-2c_firmware 3.0","scalance_sc626-2c_firmware 3.0","scalance_sc632-2c_firmware 3.0","scalance_sc636-2c_firmware 3.0","scalance_sc642-2c_firmware 3.0","scalance_sc646-2c_firmware 3.0","universal_forwarder 9.0.6"],"published":"2022-07-07","updated":"2026-10-14","sourceUpdated":"2026-10-14T17:17:39.160","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-32206","references":[{"url":"http://seclists.org/fulldisclosure/2022/Oct/28","label":"support@hackerone.com"},{"url":"http://seclists.org/fulldisclosure/2022/Oct/41","label":"support@hackerone.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/02/15/3","label":"support@hackerone.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf","label":"support@hackerone.com"},{"url":"https://hackerone.com/reports/1570651","label":"support@hackerone.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html","label":"support@hackerone.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/","label":"support@hackerone.com"},{"url":"https://security.gentoo.org/glsa/202212-01","label":"support@hackerone.com"},{"url":"https://security.netapp.com/advisory/ntap-20220915-0003/","label":"support@hackerone.com"},{"url":"https://support.apple.com/kb/HT213488","label":"support@hackerone.com"},{"url":"https://www.debian.org/security/2022/dsa-5197","label":"support@hackerone.com"},{"url":"http://seclists.org/fulldisclosure/2022/Oct/28","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2022/Oct/41","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2023/02/15/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/1570651","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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/","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-20220915-0003/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213488","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-333517.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://cert-portal.siemens.com/productcert/html/ssa-419740.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-558014.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-942865.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.33097,"epssPercentile":0.98345,"ingestedAt":"2026-10-14T17:44:53.599Z","slug":"CVE-2022-32206","body":"## Overview\n\ncurl < 7.84.0 supports \"chained\" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable \"links\" in this \"decompression chain\" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a \"malloc bomb\", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.\n\n## Affected\n\n- `curl < 7.84.0`\n- `fedora = 35`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `clustered_data_ontap`\n- `element_software`\n- `hci_management_node`\n- `solidfire`\n- `bootstrap_os`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h410s_firmware`\n- `scalance_sc622-2c_firmware < 3.0`\n- `scalance_sc626-2c_firmware < 3.0`\n- `scalance_sc632-2c_firmware < 3.0`\n- `scalance_sc636-2c_firmware < 3.0`\n- `scalance_sc642-2c_firmware < 3.0`\n- `scalance_sc646-2c_firmware < 3.0`\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 7.84.0`\n- `scalance_sc622-2c_firmware 3.0`\n- `scalance_sc626-2c_firmware 3.0`\n- `scalance_sc632-2c_firmware 3.0`\n- `scalance_sc636-2c_firmware 3.0`\n- `scalance_sc642-2c_firmware 3.0`\n- `scalance_sc646-2c_firmware 3.0`\n- `universal_forwarder 9.0.6`","depth":"sunlit","depthScore":42,"depthScoreParts":{"impact":35.8,"likelihood":6.6,"exploitation":0,"ransomware":0},"changes":[]}