HAproxy 1.6.x before 1.6.6, when a deny comes from a reqdeny rule, allows remote attackers to cause a denial of service (uninitialized memory access and crash) or possibly have unspecified other impact via unknown vectors.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade haproxy | Aug 30, 2017 | Jun 30, 2016 |
| Debian | — | Upgrade haproxy | Jul 30, 2024 | Jun 30, 2016 |
| Freebsd | — | Upgrade haproxy | Dec 10, 2025 | Jun 30, 2016 |
| Ubuntu | — | Upgrade haproxy | Jun 20, 2016 | Jun 20, 2016 |
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