A heap use-after-free flaw was found in curl versions from 7.59.0 through 7.61.1 in the code related to closing an easy handle. When closing and cleaning up an 'easy' handle in the `Curl_close()` function, the library code first frees a struct (without nulling the pointer) and might then subsequently erroneously write to a struct field within that already freed struct.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- CVSS 3.0 Base Score: 4.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Nov 9, 2018 | Oct 31, 2018 |
| Amazon Linux Ami 2 | — | Upgrade libcurlUpgrade libcurl-develUpgrade curlUpgrade curl-debuginfo | Apr 27, 2020 | Oct 31, 2018 |
| Amazon_linux | — | Upgrade curl | Jan 25, 2019 | Oct 31, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 31, 2018 |
| Debian | — | Upgrade curl | Jul 30, 2024 | Oct 31, 2018 |
| Freebsd | — | Upgrade curl | Nov 2, 2018 | Nov 1, 2018 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Mar 11, 2019 | Oct 31, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libcurlUpgrade curlUpgrade libcurl-devel | Jun 17, 2020 | Oct 31, 2018 |
| Oracle Solaris | — | Upgrade web/curl to version 7.62.0-11.4.4.0.1.3.0 on Solaris 11.4 | Dec 17, 2018 | Oct 31, 2018 |
| Suse | — | Upgrade libcurl4Upgrade libcurl4-32bitUpgrade libcurl4-x86Upgrade libcurl-mini-develUpgrade libcurl4-openssl1-x86Upgrade curlUpgrade libcurl-develUpgrade curl-openssl1Upgrade libcurl-devel-32bitUpgrade curl-miniUpgrade libcurl4-openssl1Upgrade libcurl4-openssl1-32bitUpgrade libcurl4-mini | Nov 3, 2018 | Oct 31, 2018 |
| Ubuntu | — | Upgrade libcurl3-gnutlsUpgrade libcurl3-nssUpgrade libcurl3Upgrade libcurl4Upgrade curl | Nov 9, 2018 | Oct 31, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 31, 2018 |
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