Agent

Prelude

Released on: 2026-03-09

• Please refer to the 7.76.3 tag on integrations-core for the list of changes on the Core Checks

Security Notes

• Bump github.com/cloudflare/circl to fix v1.6.3 to fix CVE-2026-1229.
• Fixed a limited out-of-bounds memory read and DoS vulnerability in Windows kernel driver while handling TLS traffic. The host must have the ddnpm kernel driver service running, by having system_probe_config and network_config enabled, to be affected. This configuration is not enabled by default. Query with PowerShell: Get-Service ddnpm Query with command prompt: sc query ddnpm

Bug Fixes

• Fixed IPv6 address matching logic that caused network traffic to be tracked incorrectly. Fixed failed classification of HTTP DELETE requests. Added additional memory handling and overflow safety checks.

Datadog Cluster Agent

Prelude

Released on: 2026-03-09 Pinned to datadog-agent v7.76.3: CHANGELOG.