{"id":"JLSEC-2026-393","details":"curl \u003c 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.","modified":"2026-05-04T13:16:21.454165Z","published":"2026-05-04T13:12:06.605Z","upstream":["CVE-2022-32206"],"database_specific":{"sources":[{"imported":"2026-05-02T08:39:45.575Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-32206","published":"2022-07-07T13:15:08.340Z","database_specific":{"status":"Modified"},"modified":"2025-05-05T17:18:13.120Z","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-32206","id":"CVE-2022-32206"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Oct/28"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Oct/28"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Oct/41"},{"type":"WEB","url":"http://seclists.org/fulldisclosure/2022/Oct/41"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/02/15/3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2023/02/15/3"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf"},{"type":"WEB","url":"https://hackerone.com/reports/1570651"},{"type":"WEB","url":"https://hackerone.com/reports/1570651"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEV6BR4MTI3CEWK2YU2HQZUW5FAS3FEY/"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202212-01"},{"type":"WEB","url":"https://security.gentoo.org/glsa/202212-01"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20220915-0003/"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20220915-0003/"},{"type":"WEB","url":"https://support.apple.com/kb/HT213488"},{"type":"WEB","url":"https://support.apple.com/kb/HT213488"},{"type":"WEB","url":"https://www.debian.org/security/2022/dsa-5197"},{"type":"WEB","url":"https://www.debian.org/security/2022/dsa-5197"}],"affected":[{"package":{"name":"CURL_jll","ecosystem":"Julia","purl":"pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.5.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-393.json"}},{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.84.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-393.json"}}],"schema_version":"1.7.5"}