Multiple integer overflows in the (1) curl_escape, (2) curl_easy_escape, (3) curl_unescape, and (4) curl_easy_unescape functions in libcurl before 7.50.3 allow attackers to have unspecified impact via a string of length 0xffffffff, which triggers a heap-based buffer overflow.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Aug 30, 2017 | Oct 7, 2016 |
| Amazon_linux | — | Upgrade curl | Jul 1, 2017 | Sep 27, 2016 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Dec 16, 2016 | Oct 7, 2016 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 7, 2016 |
| Centos_linux | — | Upgrade libcurl-develUpgrade curl-debuginfoUpgrade curlUpgrade libcurl | Aug 28, 2019 | Oct 7, 2016 |
| Debian | — | Upgrade curl | Mar 31, 2017 | Sep 17, 2016 |
| Freebsd | — | Upgrade curl | Nov 14, 2016 | Sep 14, 2016 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Oct 30, 2017 | Oct 7, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade libcurlUpgrade libcurl-develUpgrade curl | Nov 30, 2017 | Oct 7, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl | Nov 30, 2017 | Oct 7, 2016 |
| Oracle Solaris | — | Upgrade web/curl to version 7.45.0-0.175.3.15.0.1.0 on Solaris 11.3 | May 29, 2017 | Oct 7, 2016 |
| Oracle_linux | — | Upgrade libcurlUpgrade libcurl-develUpgrade curl | Aug 8, 2017 | Sep 14, 2016 |
| Redhat_linux | — | No solution existsUpgrade libcurl-develUpgrade libcurlUpgrade curl-debuginfoUpgrade curl | Aug 3, 2017 | Oct 7, 2016 |
| Suse | — | Upgrade libcurl4-openssl1-x86Upgrade libcurl4-openssl1Upgrade libcurl4-32bitUpgrade libcurl4Upgrade curlUpgrade libcurl4-openssl1-32bitUpgrade sles12-docker-imageUpgrade curl-openssl1Upgrade libcurl-develUpgrade sles12sp1-docker-imageUpgrade libcurl4-x86 | Nov 3, 2016 | Oct 7, 2016 |
| Ubuntu | — | Upgrade libcurl3Upgrade libcurl3-nssUpgrade libcurl3-gnutls | Nov 3, 2016 | Oct 7, 2016 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub