# CVE-2025-32464: haproxy: HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has asample_conv_regsub heap-based buffer overflow bec...

CVE-2025-32464 is fixed in 2 products on 1 platform, first by haproxy 2.4.24-0ubuntu0.22.04.2, released April 8, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-32464
- Priority: Routine
- CVSS: 6.8 (Medium)
- EPSS: 0.0078
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 8, 2025

## Description

HAProxy 2.2 through 3.1.6, in certain uncommon configurations, has asample_conv_regsub heap-based buffer overflow because of mishandling of thereplacement of multiple short patterns with a longer one.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | haproxy Debian 11.6 (bullseye) | 2.2.9-2+deb11u7 | [DLA-4135-1](https://patchblox.com/security/data/fix/linux/dla-4135-1.md) | Apr 23, 2025 |
| Linux | haproxy Debian 12.15 (bookworm) | 2.6.12-1+deb12u2 | [DEBIAN-CVE-2025-32464](https://patchblox.com/security/data/fix/linux/debian-cve-2025-32464.md) | Apr 9, 2025 |
| Linux | haproxy Debian 13.5 (trixie) | 3.0.10-1 | [DEBIAN-CVE-2025-32464](https://patchblox.com/security/data/fix/linux/debian-cve-2025-32464.md) | Apr 9, 2025 |
| Linux | haproxy Debian 14 | 3.0.10-1 | [DEBIAN-CVE-2025-32464](https://patchblox.com/security/data/fix/linux/debian-cve-2025-32464.md) | Apr 9, 2025 |
| Linux | haproxy Ubuntu 22.04.1 LTS (jammy) | 2.4.24-0ubuntu0.22.04.2 | [haproxy 2.4.24-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-haproxy-2.4.24-0ubuntu0.22.04.2.md) | Apr 8, 2025 |
| Linux | haproxy Ubuntu 24.04.5 LTS (noble) | 2.8.5-1ubuntu3.3 | [haproxy 2.8.5-1ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-haproxy-2.8.5-1ubuntu3.3.md) | Apr 8, 2025 |
| Linux | haproxy Ubuntu 24.10 (oracular) | 2.9.10-1ubuntu1.2 | [haproxy 2.9.10-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-haproxy-2.9.10-1ubuntu1.2.md) | Jan 16, 2026 |
| Linux | haproxy Ubuntu 25.04 (plucky) | 3.0.8-1ubuntu1.1 | [haproxy 3.0.8-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-haproxy-3.0.8-1ubuntu1.1.md) | Jan 16, 2026 |
| Linux | haproxy opensuse-leap 15.6 | 2.8.11+git0.01c1056a4-150600.3.6.1 | [SUSE-SU-2025:1264-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1264-1.md) | Apr 15, 2025 |
| Linux | haproxy sles 15.6 | 2.8.11+git0.01c1056a4-150600.3.6.1 | [SUSE-SU-2025:1264-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-1264-1.md) | Apr 15, 2025 |
| Linux | vim-haproxy Ubuntu 22.04.1 LTS (jammy) | 2.4.24-0ubuntu0.22.04.2 | [vim-haproxy 2.4.24-0ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-vim-haproxy-2.4.24-0ubuntu0.22.04.2.md) | Apr 8, 2025 |
| Linux | vim-haproxy Ubuntu 24.04.5 LTS (noble) | 2.8.5-1ubuntu3.3 | [vim-haproxy 2.8.5-1ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-vim-haproxy-2.8.5-1ubuntu3.3.md) | Apr 8, 2025 |
| Linux | vim-haproxy Ubuntu 24.10 (oracular) | 2.9.10-1ubuntu1.2 | [vim-haproxy 2.9.10-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-vim-haproxy-2.9.10-1ubuntu1.2.md) | Jan 16, 2026 |
| Linux | vim-haproxy Ubuntu 25.04 (plucky) | 3.0.8-1ubuntu1.1 | [vim-haproxy 3.0.8-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-vim-haproxy-3.0.8-1ubuntu1.1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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