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 curlUpgrade libcurl-develUpgrade curl-debuginfoUpgrade 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 curlUpgrade libcurl-develUpgrade libcurl | Aug 8, 2017 | Sep 14, 2016 |
| Redhat_linux | — | Upgrade curlNo solution existsUpgrade curl-debuginfoUpgrade libcurl-develUpgrade libcurl | Aug 3, 2017 | Oct 7, 2016 |
| Suse | — | Upgrade libcurl4-openssl1-x86Upgrade libcurl4-32bitUpgrade libcurl4-openssl1Upgrade libcurl4-openssl1-32bitUpgrade sles12sp1-docker-imageUpgrade libcurl4-x86Upgrade sles12-docker-imageUpgrade curl-openssl1Upgrade libcurl4Upgrade libcurl-develUpgrade curl | Nov 3, 2016 | Oct 7, 2016 |
| Ubuntu | — | Upgrade libcurl3Upgrade libcurl3-nssUpgrade libcurl3-gnutls | Nov 3, 2016 | Oct 7, 2016 |
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