The base64 encode function in curl before version 7.51.0 is prone to a buffer being under allocated in 32bit systems if it receives at least 1Gb as input via `CURLOPT_USERNAME`.
CVSS Details
- CVSS 3.1 Base Score: 3.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Jul 31, 2018 | Jul 31, 2018 |
| Amazon_linux | — | Upgrade curl | Nov 11, 2016 | Nov 2, 2016 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Dec 16, 2016 | Dec 16, 2016 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 31, 2018 |
| Debian | — | Upgrade curl | Nov 4, 2016 | Nov 2, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Apr 12, 2017 |
| Freebsd | — | Upgrade curl | Nov 14, 2016 | Nov 2, 2016 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Oct 30, 2017 | Jan 19, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade libcurlUpgrade curlUpgrade libcurl-devel | Aug 28, 2019 | Jul 31, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade curlUpgrade libcurlUpgrade libcurl-devel | Aug 28, 2019 | Jul 31, 2018 |
| Oracle Solaris | — | Upgrade web/curl to version 7.45.0-0.175.3.18.0.1.0 on Solaris 11.3 | May 29, 2017 | May 29, 2017 |
| Oracle_linux | — | Upgrade libcurlUpgrade libcurl-develUpgrade curl | May 22, 2019 | Nov 2, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jul 31, 2018 |
| Suse | — | Upgrade libcurl4-openssl1-x86Upgrade libcurl4-32bitUpgrade libcurl4-openssl1-32bitUpgrade curlUpgrade libcurl4-openssl1Upgrade curl-openssl1Upgrade libcurl4-x86Upgrade sles12-docker-imageUpgrade sles12sp1-docker-imageUpgrade libcurl4Upgrade libcurl-devel | Nov 3, 2016 | Nov 2, 2016 |
| Ubuntu | — | Upgrade libcurl3-nssUpgrade libcurl3-gnutlsUpgrade libcurl3 | Nov 3, 2016 | Nov 2, 2016 |
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