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ALPINE-CVE-2025-49812

ALPINE-CVE-2025-49812

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

In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Only configurations using "SSLEngine optional" to enable TLS upgrades are affected. Users are recommended to upgrade to version 2.4.64, which removes support for TLS upgrade.

CVSS 7.4 · High · Fix available

Published
Updated

Stack: system

Affected products and versions

  • apache2 Alpine:v3.19

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

  • apache2 Alpine:v3.20

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

  • apache2 Alpine:v3.21

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

  • apache2 Alpine:v3.22

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

  • apache2 Alpine:v3.23

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

  • apache2 Alpine:v3.24

    Affected ranges
    • ECOSYSTEM: < 2.4.64-r0

    Update to 2.4.64-r0

Original sources

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