CVE-2026-64294 mm: do file ownership checks with the proper mount idmap

In the Linux kernel, the following vulnerability has been resolved: mm: do file ownership checks with the proper mount idmap Ever since idmapped mounts were introduced, inode ownership checks for side-channel protection in mincore and madviseMADVPAGEOUT were done against the nopmntidmap, which...

JLSEC-2026-787 Integer overflow in gawk's `do_sub()` can cause buffer overflow and denial of service

Integer overflow vulnerability has been found in "builtin.c" program file of gawk dosub routine. This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5.4.0 and below...

PT-2026-64552

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: fix NULL deref in vep dequeue vep alloc request wasn't initializing vrequest-udc, so cancellations on the FunctionFS AIO path were arriving in vep dequeue without a valid UDC reference. Since vrequest-udc is never...

PT-2026-64527

In the Linux kernel, the following vulnerability has been resolved: crypto: drbg - Fix returning success on failure in CTR DRBG drbg ctr generate sometimes returns success when it fails, leaving the output buffer uninitialized. Fix it...

Linux Distros Unpatched Vulnerability : CVE-2026-44621

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - With NLnet Labs Unbound up to and including version 1.25.1, applications using libunbound and configured with 'unwanted-reply-threshold', could eventually be...

PT-2026-64549

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f fs: Fix DMA fence leak In ffs dmabuf transfer, a ffs dma fence object is kmalloc'd, with the underlying dma fence later initialized by dma fence init, which sets its kref counter to 1. Then, dma resv add fence gets...

PT-2026-64693

In the Linux kernel, the following vulnerability has been resolved: vfio/mlx5: Fix racy bitfields and tighten struct layout Bitfield operations are not atomic, they use a read-modify-write pattern, therefore we should be careful not to pack bitfields that can be concurrently updated into the same...

PT-2026-64659

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - fix VF2PF work teardown race in adf disable sriov The VF2PF interrupt handler queues PF-side response work that stores a raw pointer to per-VF state struct adf accel vf info. Currently, adf disable sriov destroys...

Linux Distros Unpatched Vulnerability : CVE-2026-65903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - DOMPurify before 3.4.0 contains a logic error in the ADDTAGS function where short-circuit evaluation allows forbidden tags to bypass FORBIDTAGS restrictions...

Linux Distros Unpatched Vulnerability : CVE-2026-64438

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: qat - fix VF2PF work teardown race in adfdisablesriov The VF2PF interrupt handler queues PF- side response work that stores a raw pointer to per-VF stat...

brace-expansion: Brace-expansion: Denial of Service via memory exhaustion in expand() function

A flaw was found in brace-expansion. A remote attacker can exploit this vulnerability by providing specially crafted input to the expand function, which can lead to excessive memory consumption. This can cause a denial of service DoS by crashing the application due to an out-of-memory error...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

brace-expansion: Brace-expansion: Denial of Service via memory exhaustion in expand() function

A flaw was found in brace-expansion. A remote attacker can exploit this vulnerability by providing specially crafted input to the expand function, which can lead to excessive memory consumption. This can cause a denial of service DoS by crashing the application due to an out-of-memory error...

GHSA-R277-6W6Q-XMQW kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default

Summary ValidationHandler.Load in getkin/kin-openapi silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which always returns nil without performing any credential check. Because this substitution happens unconditionally when the caller omits the field, every OpenAPI security...

kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default

Summary ValidationHandler.Load in getkin/kin-openapi silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which always returns nil without performing any credential check. Because this substitution happens unconditionally when the caller omits the field, every OpenAPI security...

CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

ImageMagick: Heap Buffer Over-Write in fx operation

A heap buffer over-write can occur in the fx operation by passing a crafted argument...

CVE-2026-64245

In the Linux kernel, the following vulnerability has been resolved: fbdev: modedb: fix a possible UAF in fbfindmode If modeoption is NULL, it is assigned from modeoptionbuf: if !modeoption fbgetoptionsNULL, &modeoptionbuf; modeoption = modeoptionbuf; Later, name is assigned from modeoption: const...

DEBIAN-CVE-2026-64245

In the Linux kernel, the following vulnerability has been resolved: fbdev: modedb: fix a possible UAF in fbfindmode If modeoption is NULL, it is assigned from modeoptionbuf: if !modeoption fbgetoptionsNULL, &modeoptionbuf; modeoption = modeoptionbuf; Later, name is assigned from modeoption: const...