The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade haproxy | Dec 1, 2016 | Jul 6, 2015 |
| Debian | — | Upgrade haproxy | Jul 30, 2024 | Jul 6, 2015 |
| Freebsd | — | Upgrade haproxy | Dec 10, 2025 | Jul 7, 2015 |
| Oracle_linux | — | Upgrade haproxy | Oct 16, 2024 | Jul 6, 2015 |
| Redhat Openshift | — | Upgrade openshift-origin-cartridge-haproxyUpgrade rubygem-openshift-origin-routing-daemonUpgrade rhcUpgrade rubygem-openshift-origin-commonUpgrade rubygem-openshift-origin-nodeUpgrade openshift-origin-cartridge-jbossewsUpgrade openshift-origin-cartridge-pythonUpgrade openshift-enterprise-upgradeUpgrade haproxy15sideUpgrade openshift-origin-node-utilUpgrade openshift-origin-cartridge-jbosseapUpgrade openshift-origin-broker-utilUpgrade rubygem-openshift-origin-controller | Oct 8, 2019 | Jul 7, 2015 |
| Suse | — | Upgrade haproxy | Dec 18, 2015 | Jul 6, 2015 |
| Ubuntu | — | Upgrade haproxy | Nov 8, 2024 | Jul 6, 2015 |
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