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CVE Vulnerabilities - 22 August 2026

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537 vulnerabilities published on 22 August 2026

Severity:
Linux kernel UDP tunnel may free memory too early
CVE-2026-74705 DEBIAN-CVE-2026-74705 UBUNTU-CVE-2026-74705
The Linux operating system’s core code that handles UDP tunnel traffic could release a piece of memory before it’s finished using it. This mistake can cause the system to crash or be manipulated by an...
10.0
Linux veth may expose kernel memory to apps
CVE-2026-74612 DEBIAN-CVE-2026-74612 UBUNTU-CVE-2026-74612
The virtual Ethernet (veth) driver in Linux could miscalculate packet sizes after certain packet processing, causing it to copy extra data—including internal kernel pointers—into user applications. Th...
10.0
Joomla Fabrik extension lets anyone download files
CVE-2026-76607
The Fabrik add‑on for Joomla, in versions before 4.7.3, does not check whether a user is allowed to download a file. This means that people without proper rights could retrieve files they should not s...
10.0
Fabrik extension for Joomla can let attackers read any file
CVE-2026-76606
Websites that use the Fabrik add‑on for Joomla, version older than 4.7.3, are vulnerable. An attacker can craft a special image request that makes the server open files outside the intended folder, po...
10.0
Joomla Fabrik extension lets attackers run code via image
CVE-2026-76605
Websites using the Joomla Fabrik add‑on older than version 4.7.3 are at risk because a specially crafted image tag can cause the server to execute unwanted code. This could let an attacker take contro...
10.0
Fabrik Joomla extension can let attackers run code
CVE-2026-76604
The Fabrik add‑on for Joomla (versions before 4.7.3) contains a form field that accepts code from anyone on the internet. An attacker could use this to execute commands on your server, potentially tak...
10.0
TRENDnet TEW-821DAP router can be remotely crashed via time settings
CVE-2026-77946
The router’s time‑zone configuration page can be tricked into overflowing its memory, which could let an attacker cause the device to stop working or take control. This can be done from outside the ne...
9.3
Comfast CF-N1-S router allows remote code execution via web settings
CVE-2026-78050
The web management page of the Comfast CF-N1-S router can be tricked into running unwanted code when an attacker sends a specially crafted request. This could let an attacker take control of the devic...
8.6
WS Form LITE lets strangers inject code via forms
CVE-2026-4703
The WS Form LITE contact‑form plugin for WordPress can accept specially crafted data when a form is submitted, allowing anyone on the internet to insert a malicious object into the site’s code. By its...
9.8
OpenVPN kernel can unintentionally restore deleted connections
CVE-2026-74727 UBUNTU-CVE-2026-74727 DEBIAN-CVE-2026-74727
A race condition in the Linux kernel's OpenVPN component could cause a connection that was supposed to be removed to be re‑added to internal tables. This can lead to the system accessing memory that h...
9.8
Linux SCTP may crash after peer IP removal
CVE-2026-74588 DEBIAN-CVE-2026-74588 UBUNTU-CVE-2026-74588
The networking part of the Linux kernel that handles the SCTP protocol could use a memory address that has already been freed when a peer’s IP address is removed. This can cause the system to become u...
9.8
Linux Btrfs can crash on malformed compressed files
CVE-2026-74723 DEBIAN-CVE-2026-74723 UBUNTU-CVE-2026-74723
The Btrfs file system in Linux may hit a memory error when it tries to read a specially crafted file that uses LZO compression but lacks proper headers. This can cause the system to stop responding or...
9.8
Linux XDP cloning can corrupt network packet data
CVE-2026-74616 DEBIAN-CVE-2026-74616 UBUNTU-CVE-2026-74616
A bug in the Linux kernel's XDP feature could let specially crafted network traffic overwrite important packet information, potentially causing network services to behave incorrectly. The problem occu...
9.8
Linux kernel TLS handling may overwrite received data
CVE-2026-74611 DEBIAN-CVE-2026-74611 UBUNTU-CVE-2026-74611
The Linux operating system’s core code that processes encrypted network traffic can mistakenly write data into the wrong memory area when a certain TLS 1.3 feature is used. This could cause applicatio...
9.8
Linux kernel SCTP may use a removed network address
CVE-2026-74586 DEBIAN-CVE-2026-74586 UBUNTU-CVE-2026-74586
The Linux kernel's SCTP networking code could keep a reference to a network address that had just been deleted, allowing later code to try to use it after it was freed. This could cause a crash or ins...
9.8
Linux network code could lose track of data pieces
CVE-2026-74662 DEBIAN-CVE-2026-74662 UBUNTU-CVE-2026-74662
A part of the Linux operating system that handles broken‑up network packets could delete a tracking entry before it is fully recorded, especially when certain timeout settings are zero or negative. Th...
9.8
Linux kernel file mapping could misplace data in memory
CVE-2026-74591 UBUNTU-CVE-2026-74591 DEBIAN-CVE-2026-74591
A bug in the Linux kernel's file handling code could cause data to be stored at the wrong location in memory, leading to occasional crashes such as illegal instruction or segmentation faults. This iss...
9.8
Linux operating system could mishandle device lock, causing freezes
CVE-2026-74617 DEBIAN-CVE-2026-74617 UBUNTU-CVE-2026-74617
A part of the Linux operating system that communicates with certain hardware devices could start processing signals before it is fully set up, which may cause the system to freeze or crash. Updating t...
9.8
Linux X25 network code can crash when a connection closes
CVE-2026-74628 DEBIAN-CVE-2026-74628 UBUNTU-CVE-2026-74628
The X25 network component in the Linux kernel could use memory that had already been freed when a timer fires, potentially causing the system to crash or become unstable. This happens when a socket is...
9.8
Linux SCTP module may use removed network connection
CVE-2026-74688 DEBIAN-CVE-2026-74688 UBUNTU-CVE-2026-74688
A part of the Linux operating system that handles a network protocol called SCTP could try to send data using a network connection that has already been closed. This might cause the system to crash or...
9.8
Linux NFS server can crash when state cleanup is delayed
CVE-2026-74730 DEBIAN-CVE-2026-74730 UBUNTU-CVE-2026-74730
The Linux network file system (NFS) code could accidentally use memory that had already been released if a cleanup operation was postponed. This could cause the server to become unstable or stop worki...
9.8
Linux IPv6 tunneling can corrupt memory on malformed packets
CVE-2026-74597 DEBIAN-CVE-2026-74597 UBUNTU-CVE-2026-74597
When a Linux server processes certain IPv6 tunnel error messages, leftover data from the outer packet can be mistakenly used while handling the inner packet. This can cause memory corruption, potentia...
9.8
Linux kernel SCTP can trigger a crash after peer restart
CVE-2026-74587 DEBIAN-CVE-2026-74587 UBUNTU-CVE-2026-74587
A part of the Linux operating system that handles SCTP network traffic could mistakenly use memory that has already been released when a connection is restarted. This may cause the system to crash or ...
9.8
Linux kernel ICMP processing could corrupt memory
CVE-2026-74669 DEBIAN-CVE-2026-74669 UBUNTU-CVE-2026-74669
A coding mistake in the Linux kernel's handling of certain network error messages could let unexpected data overwrite memory, potentially causing crashes or instability. The issue occurs when the syst...
9.8
Linux SMB client can crash during network updates
CVE-2026-74608 DEBIAN-CVE-2026-74608 UBUNTU-CVE-2026-74608
The SMB client code in the Linux kernel could access memory that has already been released when a network interface list is refreshed while a channel is being created. This can cause the system to bec...
9.8