When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
CVSS Details
- CVSS 3.1 Base Score: 9.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade curl | Aug 22, 2024 | Sep 23, 2021 |
| Amazon Linux Ami 2 | — | Upgrade libcurlUpgrade curlUpgrade libcurl-develUpgrade curl-debuginfo | Jul 4, 2022 | Sep 23, 2021 |
| Apple Osx Curl | — | Upgrade macOS to the latest version | Mar 18, 2022 | Mar 14, 2022 |
| Debian | — | Upgrade curl | Nov 4, 2022 | Sep 23, 2021 |
| Freebsd | — | Upgrade curl | Nov 4, 2022 | Sep 17, 2021 |
| Gentoo Linux | — | Upgrade net-misc/curl. | Dec 19, 2022 | Sep 23, 2021 |
| Oracle Solaris | — | Upgrade web/curl to version 7.79.0-11.4.39.0.1.107.0 on Solaris 11.4 | Nov 17, 2021 | Sep 23, 2021 |
| Splunk | — | Upgrade Splunk Enterprise to version 9.1.1Upgrade Splunk Enterprise to version 9.0.6Upgrade Splunk Enterprise to version 8.1.14Upgrade Splunk Enterprise to version 8.2.12Upgrade Splunk Universal Forwarder to version 9.0.6Upgrade Splunk Universal Forwarder to version 9.1.1Upgrade Splunk Enterprise to version 8.2.11Upgrade Splunk Universal Forwarder to version 8.2.11Upgrade Splunk Enterprise to version 9.0.5Upgrade Splunk Universal Forwarder to version 9.0.5Upgrade Splunk Universal Forwarder to version 8.1.14Upgrade Splunk Universal Forwarder to version 8.2.12 | Sep 30, 2025 | Sep 23, 2021 |
| Suse | — | Upgrade libcurl-develUpgrade curlUpgrade libcurl4Upgrade libcurl4-32bit | Oct 26, 2022 | Sep 23, 2021 |
| Ubuntu | — | Upgrade libcurl4Upgrade curlUpgrade libcurl3-nssUpgrade libcurl3-gnutls | Sep 16, 2021 | Sep 15, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Sep 23, 2021 |
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