curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-curlalma-upgrade-curl-minimalalma-upgrade-libcurlalma-upgrade-libcurl-develalma-upgrade-libcurl-minimal | Sep 1, 2022 | Jul 7, 2022 | |
| Alpine Linux | alpine-linux-upgrade-curl | Mar 26, 2024 | Jul 7, 2022 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-curlamazon-linux-ami-2-upgrade-curl-debuginfoamazon-linux-ami-2-upgrade-libcurlamazon-linux-ami-2-upgrade-libcurl-devel | Nov 10, 2022 | Jul 7, 2022 | |
| Amazon_linux | — | amazon-linux-upgrade-curl | Dec 10, 2022 | Jun 27, 2022 |
| Amazon_linux_2023 | amazon-linux-2023-upgrade-curlamazon-linux-2023-upgrade-curl-debuginfoamazon-linux-2023-upgrade-curl-debugsourceamazon-linux-2023-upgrade-curl-minimalamazon-linux-2023-upgrade-curl-minimal-debuginfoamazon-linux-2023-upgrade-libcurlamazon-linux-2023-upgrade-libcurl-debuginfoamazon-linux-2023-upgrade-libcurl-develamazon-linux-2023-upgrade-libcurl-minimalamazon-linux-2023-upgrade-libcurl-minimal-debuginfo | Feb 17, 2025 | Jun 27, 2022 | |
| Apple Osx Curl | apple-osx-upgrade-latest | Nov 29, 2022 | Jul 7, 2022 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | Jul 7, 2022 | |
| Centos_linux | — | centos-upgrade-curlcentos-upgrade-curl-debuginfocentos-upgrade-curl-debugsourcecentos-upgrade-curl-minimalcentos-upgrade-curl-minimal-debuginfocentos-upgrade-libcurlcentos-upgrade-libcurl-debuginfocentos-upgrade-libcurl-develcentos-upgrade-libcurl-minimalcentos-upgrade-libcurl-minimal-debuginfo | Aug 26, 2022 | Jul 7, 2022 |
| Debian | debian-upgrade-curl | Aug 30, 2022 | Jul 7, 2022 | |
| Freebsd | freebsd-upgrade-package-curl | Nov 4, 2022 | Jun 27, 2022 | |
| Gentoo Linux | gentoo-linux-upgrade-net-misc-curl | Dec 19, 2022 | Jul 7, 2022 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-curlhuawei-euleros-2_0_sp10-upgrade-libcurl | Oct 11, 2022 | Jul 7, 2022 | |
| Huawei Euleros 2_0_sp8 | huawei-euleros-2_0_sp8-upgrade-curlhuawei-euleros-2_0_sp8-upgrade-libcurlhuawei-euleros-2_0_sp8-upgrade-libcurl-devel | Oct 11, 2022 | Jul 7, 2022 | |
| Huawei Euleros 2_0_sp9 | huawei-euleros-2_0_sp9-upgrade-curlhuawei-euleros-2_0_sp9-upgrade-libcurl | Sep 14, 2022 | Jul 7, 2022 | |
| Ibm Aix | ibm-aix-curl_advisory2 | Jul 27, 2023 | Jul 7, 2022 | |
| Oracle_linux | — | oracle-linux-upgrade-curloracle-linux-upgrade-curl-minimaloracle-linux-upgrade-libcurloracle-linux-upgrade-libcurl-develoracle-linux-upgrade-libcurl-minimal | Aug 25, 2022 | Jun 27, 2022 |
| Redhat_linux | redhat-upgrade-curlredhat-upgrade-curl-debuginforedhat-upgrade-curl-debugsourceredhat-upgrade-curl-minimalredhat-upgrade-curl-minimal-debuginforedhat-upgrade-libcurlredhat-upgrade-libcurl-debuginforedhat-upgrade-libcurl-develredhat-upgrade-libcurl-minimalredhat-upgrade-libcurl-minimal-debuginfo | Aug 26, 2022 | Jul 7, 2022 | |
| Rocky_linux | rocky-upgrade-curlrocky-upgrade-curl-debuginforocky-upgrade-curl-debugsourcerocky-upgrade-curl-minimalrocky-upgrade-curl-minimal-debuginforocky-upgrade-libcurlrocky-upgrade-libcurl-debuginforocky-upgrade-libcurl-develrocky-upgrade-libcurl-minimalrocky-upgrade-libcurl-minimal-debuginfo | Sep 2, 2022 | Jul 7, 2022 | |
| Splunk | splunk-upgrade-latest | Sep 30, 2025 | Jul 7, 2022 | |
| Suse | — | suse-upgrade-curlsuse-upgrade-libcurl-develsuse-upgrade-libcurl-devel-32bitsuse-upgrade-libcurl4suse-upgrade-libcurl4-32bit | Oct 26, 2022 | Jul 7, 2022 |
| Ubuntu | ubuntu-upgrade-curlubuntu-upgrade-libcurl3-gnutlsubuntu-upgrade-libcurl3-nssubuntu-upgrade-libcurl4 | Mar 22, 2023 | Jul 7, 2022 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Jul 7, 2022 |
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