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CVE-2021-40346

CVE-2021-40346

This page contains facts from public vulnerability sources. Check the original advisory before updating.

An integer overflow exists in HAProxy 2.0 through 2.5 in htx_add_header that can be exploited to perform an HTTP request smuggling attack, allowing an attacker to bypass all configured http-request HAProxy ACLs and possibly other ACLs.

CVSS 7.5 · High · EPSS 58.8% · Fix available

Published
Updated

Stack: system · web

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • haproxy Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.2.16-3

    Update to 2.2.16-3

  • haproxy Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.2.16-3

    Update to 2.2.16-3

  • haproxy Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.2.16-3

    Update to 2.2.16-3

  • haproxy Ubuntu:20.04:LTS

    Versions
    • 2.0.5-1
    • 2.0.8-1
    • 2.0.9-1
    • 2.0.10-1
    • 2.0.10-1ubuntu1
    • 2.0.11-1ubuntu1
    • 2.0.12-1ubuntu2
    • 2.0.13-1ubuntu2
    • 2.0.13-2
    • 2.0.13-2ubuntu0.1
    • 2.0.13-2ubuntu0.2
    Affected ranges
    • ECOSYSTEM: < 2.0.13-2ubuntu0.3

    Update to 2.0.13-2ubuntu0.3

  • haproxy Ubuntu:22.04:LTS

    Affected ranges
    • ECOSYSTEM: < 2.2.9-2ubuntu2

    Update to 2.2.9-2ubuntu2

Original sources

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