CVE-2026-42256: Use of Blocking Code in Single-threaded, Non-blocking Context

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational...

CVE-2026-42245: Inefficient Algorithmic Complexity

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are...

CVE-2026-42257: Improper Neutralization of CRLF Sequences

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled...

CVE-2026-42256: Use of Blocking Code in Single-threaded, Non-blocking Context

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational...

CVE-2026-42246: Missing Report of Error Condition

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAPstarttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10,...

CVE-2026-42257: Improper Neutralization of CRLF Sequences

Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled...

Linux Distros Unpatched Vulnerability : CVE-2026-43468

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/mlx5: Fix deadlock between devlink lock and esw-wq esw-workqueue executes eswfunctionschangedeventhandler - eswvfschangedeventhandler and acquires the devli...

CLSA-2026-1778276927 kernel: Fix of 33 CVEs

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present - xfrm: esp: avoid in-place decrypt on shared skb frags - ext4: avoid OOB when system.data xattr changes underneath the filesystem CVE-2024-47701 - gpiolib: cdev: fix uninitialised kfifo CVE-2024-36898 - wifi: mt76: Fix...

SUSE-SU-2026:1781-1 Security update for the Linux Kernel (Live Patch 74 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.280 fixes various security issues The following security issues were fixed: - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and rtdeluncachedlist bsc1258655. - CVE-2026-23204: net/sched: clsu32: use skbheaderpointercareful...

SUSE-SU-2026:1780-1 Security update for the Linux Kernel (Live Patch 67 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.255 fixes various security issues The following security issues were fixed: - CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size bsc1258073. - CVE-2026-23004: dst: fix races in rt6uncachedlistdel and...

EUVD-2026-28680

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix percpu use-after-free in removenhgrpentry When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer then immediately frees the removed entry's percpu stats with...

CVE-2026-43421

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysfs links and null pointer dereference problems. A prior attempt to sol...

CVE-2026-43375

In the Linux kernel, the following vulnerability has been resolved: net: mctp: fix device leak on probe failure Driver core holds a reference to the USB interface and its parent USB device while the interface is bound to a driver and there is no need to take additional references unless the...

CVE-2026-43374

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix percpu use-after-free in removenhgrpentry When removing a nexthop from a group, removenhgrpentry publishes the new group via rcuassignpointer then immediately frees the removed entry's percpu stats with...

UBUNTU-CVE-2026-43423

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-43422

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

UBUNTU-CVE-2026-43384

In the Linux kernel, the following vulnerability has been resolved: net/tcp-ao: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

UBUNTU-CVE-2026-43421

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysfs links and null pointer dereference problems. A prior attempt to sol...

CVE-2026-43421

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysfs links and null pointer dereference problems. A prior attempt to sol...

UBUNTU-CVE-2026-43462

In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emactxmemmap The DMA mappings were leaked on mapping error. Free them with the existing emacfreetxbuf function...