A malicious server can serve excessive amounts of `Set-Cookie:` headers in a HTTP response to curl and curl < 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept, match and haven't expired. Due to cookie matching rules, a server on `foo.example.com` can set cookies that also would match for `bar.example.com`, making it it possible for a "sister server" to effectively cause a denial of service for a sibling site on the same second level domain using this method.
CVSS Details
- CVSS 3.1 Base Score: 4.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Mar 26, 2024 | Jul 7, 2022 |
| Amazon Linux Ami 2 | — | Upgrade curlUpgrade curl-debuginfoUpgrade libcurlUpgrade libcurl-devel | Nov 10, 2022 | Jul 7, 2022 |
| Amazon_linux_2023 | — | Upgrade libcurl-develUpgrade curl-minimalUpgrade curlUpgrade libcurlUpgrade libcurl-debuginfoUpgrade curl-debugsourceUpgrade curl-minimal-debuginfoUpgrade libcurl-minimalUpgrade libcurl-minimal-debuginfoUpgrade curl-debuginfo | Feb 17, 2025 | Jun 27, 2022 |
| Apple Osx Accelerateframework | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Apfs | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Appleavd | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Applemobilefileintegrity | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Appleneuralengine | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Assets | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Ats | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Audio | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Avevideoencoder | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Betaaccessutility | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Bom | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Bootcamp | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Calendar | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Cfnetwork | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Colorsync | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Corebluetooth | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coremedia | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coreservices | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Coretypes | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Crashreporter | — | — | Oct 14, 2024 | Jul 7, 2022 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Nov 29, 2022 | Jul 7, 2022 |
| Debian | — | Upgrade curl | Nov 4, 2022 | Jul 7, 2022 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | Jun 27, 2022 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 19, 2022 | Jul 7, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade curlUpgrade libcurl | Oct 11, 2022 | Jul 7, 2022 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 8.2.12Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Universal Forwarder to version 9.1.1 | Sep 30, 2025 | Jul 7, 2022 |
| Suse | — | Upgrade libcurl4-32bitUpgrade libcurl-devel-32bitUpgrade libcurl-develUpgrade curlUpgrade libcurl4 | Oct 26, 2022 | Jul 7, 2022 |
| Ubuntu | — | Upgrade libcurl4Upgrade libcurl3-gnutlsUpgrade curlUpgrade libcurl3-nss | Mar 22, 2023 | Jul 7, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 7, 2022 |
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