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{"acknowledgement": "Red Hat would like to thank Daniel Stenberg and Wei Chong Tan for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:4629", "cpe": "cpe:/a:redhat:jboss_core_services:1::el8", "package": "jbcs-httpd24-curl-0:8.2.1-1.el8jbcs", "product_name": "JBoss Core Services for RHEL 8", "release_date": "2023-08-15T00:00:00Z"}, {"advisory": "RHSA-2023:4629", "cpe": "cpe:/a:redhat:jboss_core_services:1::el7", "package": "jbcs-httpd24-curl-0:8.2.1-1.el7jbcs", "product_name": "JBoss Core Services on RHEL 7", "release_date": "2023-08-15T00:00:00Z"}, {"advisory": "RHSA-2023:4628", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "curl", "product_name": "Red Hat JBoss Core Services 1", "release_date": "2023-08-15T00:00:00Z"}], "bugzilla": {"description": "curl: use after free in SSH sha256 fingerprint check", "id": "2196778", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2196778"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-416", "details": ["A use after free vulnerability exists in curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.", "A use-after-free flaw was found in the Curl package. This flaw risks inserting sensitive heap-based data into the error message that users might see or is otherwise leaked and revealed."], "name": "CVE-2023-28319", "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": "Not affected", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "curl", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-05-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-28319\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-28319\nhttps://curl.se/docs/CVE-2023-28319.html"], "statement": "This vulnerability does not affect the Curl package as shipped in Red Hat Enterprise Linux 6, 7, 8 and 9.", "threat_severity": "Moderate", "upstream_fix": "curl 8.1.0"}