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{"acknowledgement": "Red Hat would like to thank Patrick Monnerat for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:3355", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "curl", "product_name": "JBCS httpd 2.4.51.sp2", "release_date": "2023-06-05T00:00:00Z"}, {"advisory": "RHSA-2023:3354", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-curl-0:8.0.1-1.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2023-06-05T00:00:00Z"}, {"advisory": "RHSA-2023:3354", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-curl-0:8.0.1-1.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2023-06-05T00:00:00Z"}, {"advisory": "RHSA-2023:1140", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "curl-0:7.61.1-25.el8_7.3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-03-07T00:00:00Z"}, {"advisory": "RHSA-2023:3460", "cpe": "cpe:/o:redhat:rhel_aus:8.4", "package": "curl-0:7.61.1-18.el8_4.3", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2023-06-06T00:00:00Z"}, {"advisory": "RHSA-2023:3460", "cpe": "cpe:/o:redhat:rhel_tus:8.4", "package": "curl-0:7.61.1-18.el8_4.3", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2023-06-06T00:00:00Z"}, {"advisory": "RHSA-2023:3460", "cpe": "cpe:/o:redhat:rhel_e4s:8.4", "package": "curl-0:7.61.1-18.el8_4.3", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2023-06-06T00:00:00Z"}, {"advisory": "RHSA-2023:1842", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "curl-0:7.61.1-22.el8_6.6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-04-18T00:00:00Z"}, {"advisory": "RHSA-2023:1701", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "curl-0:7.76.1-19.el9_1.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-04-11T00:00:00Z"}, {"advisory": "RHSA-2023:1701", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "curl-0:7.76.1-19.el9_1.2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-04-11T00:00:00Z"}, {"advisory": "RHSA-2023:4139", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "curl-0:7.76.1-14.el9_0.6", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2023-07-18T00:00:00Z"}], "bugzilla": {"description": "curl: HTTP multi-header compression denial of service", "id": "2167815", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2167815"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-770", "details": ["An allocation of resources without limits or throttling vulnerability exists in curl <v7.88.0 based on the \"chained\" HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable \"links\" in this \"decompression chain\" wascapped, but the cap was implemented on a per-header basis allowing a maliciousserver to insert a virtually unlimited number of compression steps simply byusing many headers. The use of such a decompression chain could result in a \"malloc bomb\", making curl end up spending enormous amounts of allocated heap memory, or trying to and returning out of memory errors.", "A flaw was found in the Curl package. A malicious server can insert an unlimited number of compression steps. This decompression chain could result in out-of-memory errors."], "name": "CVE-2023-23916", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:3.1", "fix_state": "Out of support scope", "package_name": "rh-dotnet31-curl", "product_name": ".NET Core 3.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-02-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-23916\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-23916\nhttps://curl.se/docs/CVE-2023-23916.html"], "threat_severity": "Moderate", "upstream_fix": "curl 7.88.0"}