--- id: CVE-2019-5481 title: Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3. summary: Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3. severity: critical cvss: 9.8 cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H' cwe: - CWE-415 - CWE-415 vendor: haxx product: curl affected: - 'curl >= 7.52.0, <= 7.65.3' - fedora = 29 - fedora = 30 - fedora = 31 - cloud_backup - steelstore - solidfire_baseboard_management_controller_firmware - communications_operations_monitor = 3.4 - communications_operations_monitor = 4.0 - communications_operations_monitor = 4.1 - communications_operations_monitor = 4.2 - communications_operations_monitor = 4.3 - communications_session_border_controller = 8.3 - communications_session_border_controller = 8.4 - enterprise_manager_ops_center = 12.3.3 - enterprise_manager_ops_center = 12.4.0 - 'mysql_server >= 5.7.0, <= 5.7.28' - 'mysql_server >= 8.0.0, <= 8.0.18' - oss_support_tools = 20.0 - debian_linux = 9.0 - debian_linux = 10.0 - leap = 15.0 - leap = 15.1 published: '2019-09-16' updated: '2026-10-14' sourceUpdated: '2026-10-14T07:16:55.073' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2019-5481' references: - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00048.html' label: support@hackerone.com - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00055.html' label: support@hackerone.com - url: 'https://curl.haxx.se/docs/CVE-2019-5481.html' label: support@hackerone.com - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CI4QQ2RSZX4VCFM76SIWGKY6BY7UWIC/ label: support@hackerone.com - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGDVKSLY5JUNJRLYRUA6CXGQ2LM63XC3/ label: support@hackerone.com - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UA7KDM2WPM5CJDDGOEGFV6SSGD2J7RNT/ label: support@hackerone.com - url: 'https://seclists.org/bugtraq/2020/Feb/36' label: support@hackerone.com - url: 'https://security.gentoo.org/glsa/202003-29' label: support@hackerone.com - url: 'https://security.netapp.com/advisory/ntap-20191004-0003/' label: support@hackerone.com - url: 'https://www.debian.org/security/2020/dsa-4633' label: support@hackerone.com - url: 'https://www.oracle.com/security-alerts/cpuapr2020.html' label: support@hackerone.com - url: 'https://www.oracle.com/security-alerts/cpujan2020.html' label: support@hackerone.com - url: 'https://www.oracle.com/security-alerts/cpuoct2020.html' label: support@hackerone.com - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00048.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00055.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://curl.haxx.se/docs/CVE-2019-5481.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CI4QQ2RSZX4VCFM76SIWGKY6BY7UWIC/ label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGDVKSLY5JUNJRLYRUA6CXGQ2LM63XC3/ label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UA7KDM2WPM5CJDDGOEGFV6SSGD2J7RNT/ label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://seclists.org/bugtraq/2020/Feb/36' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://security.gentoo.org/glsa/202003-29' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://security.netapp.com/advisory/ntap-20191004-0003/' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.debian.org/security/2020/dsa-4633' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.oracle.com/security-alerts/cpuapr2020.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.oracle.com/security-alerts/cpujan2020.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://www.oracle.com/security-alerts/cpuoct2020.html' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://cert-portal.siemens.com/productcert/html/ssa-398330.html' label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e tags: - nvd epss: 0.07465 epssPercentile: 0.94348 ingestedAt: '2026-10-14T07:21:04.819Z' --- ## Overview Double-free vulnerability in the FTP-kerberos code in cURL 7.52.0 to 7.65.3. ## Affected - `curl >= 7.52.0, <= 7.65.3` - `fedora = 29` - `fedora = 30` - `fedora = 31` - `cloud_backup` - `steelstore` - `solidfire_baseboard_management_controller_firmware` - `communications_operations_monitor = 3.4` - `communications_operations_monitor = 4.0` - `communications_operations_monitor = 4.1` - `communications_operations_monitor = 4.2` - `communications_operations_monitor = 4.3` - `communications_session_border_controller = 8.3` - `communications_session_border_controller = 8.4` - `enterprise_manager_ops_center = 12.3.3` - `enterprise_manager_ops_center = 12.4.0` - `mysql_server >= 5.7.0, <= 5.7.28` - `mysql_server >= 8.0.0, <= 8.0.18` - `oss_support_tools = 20.0` - `debian_linux = 9.0` - `debian_linux = 10.0` - `leap = 15.0` - `leap = 15.1` ## Remediation Refer to the linked advisories for vendor-supplied fixes and affected version ranges.