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Ubuntu Security Notices

USN-8946-2: Unbound vulnerabilities

USN-8946-1 fixed vulnerabilities in Unbound in Ubuntu 26.04 LTS, Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 14.04 LTS. This update provides the corresponding update for Ubuntu 26.10. Original advisory details: It was discovered that Unbound incorrectly handled certain TCP connections. A remote attacker could possibly use this issue to cause Unbound to consume…

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AWS Security Bulletins

CVE-2026-125271 - AWS API MCP Server Security Policy Bypass via Incorrect Operation Name Normalization

Bulletin ID: 2026-176-AWS Publication Date: 11/10/2026 08:30 AM PST Description: We identified CVE-2026-125271 of AWS API MCP Server. The server normalized operation names incorrectly before comparing them to the operator ' s security policy, so operations whose names contain consecutive capital letters never matched a correctly written denyList or elicitList entry. This might allow an actor to execute AWS API operat…

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Help Net Security

X.Org patches eight server vulnerabilities a month after fixing 12 others

X.Org has fixed eight vulnerabilities in the X.Org X server and Xwayland, including one in the Xorg server that lets a malicious monitor corrupt its memory. The fixes ship in xorg-server 21.1.26 and xwayland 24.1.15, and each of the eight affects versions before those two releases. The X server provides the low-level display layer for graphical desktops on many Linux and Unix systems. Xwayland runs X11 applications o…

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