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7.1

Apache HTTP Server Crashes from Malicious IPv6 Packets

CVE-2025-0816 · published 1 year ago
Summary

Apache HTTP Server is affected by a vulnerability that can cause it to crash if it receives malicious IPv6 packets. This could lead to a Denial-of-Service (DoS) situation, where the server is unavailable to users. Update your Apache HTTP Server to the latest version to fix this issue.

Original advisory text
CWE-20: Improper Input Validation vulnerability exists that could cause Denial-of-Service of the product when malicious IPV6 packets are sent to the device.
CWE-20: Improper Input Validation vulnerability exists that could cause Denial-of-Service of the
product when malicious IPV6 packets are sent to the device.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
7.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-20Improper Input Validation
Timeline
Published13 Feb 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-0816 · NVD
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