CVE-2026-34183 Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler

Issue summary: Remote peer may exhaust heap memory of the QUIC server or client by flooding it with packets containing PATHCHALLENGE frames. Impact summary: A malicious remote peer can cause an unbounded memory allocation which can lead to an abnormal termination of the application acting as a QU...

CVE-2026-11788

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure...

DEBIAN-CVE-2026-11788

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure...

CVE-2026-11788

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure...

Security update for 389-ds

This update for 389-ds fixes the following issue CVE-2026-9064: unbounded LDAP controls count in getldapmessagecontrolsext can lead to amplified CPU time and heap allocation and a denial of service bsc1265898. Changes for 389-ds: Update to version 2.0.20git90.9f70d434e. Patch Instructions: To...

EUVD-2026-35406

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

SUSE CVE-2026-46281

In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix buffer overflow in vreallocnodealign Commit 4c5d3365882d "mm/vmalloc: allow to set node and align in vrealloc" added the ability to force a new allocation if the current pointer is on the wrong NUMA node, or if an...

SUSE CVE-2026-46305

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: osdep: avoid NULL pointer dereference in rtwcbufalloc The return value of kzallocflex is used without ensuring that the allocation succeeded, and the pointer is dereferenced unconditionally. Guard the access t...

K000161639: Apache HTTP Server mod_http2 (HTTP/2 Bomb) vulnerability CVE-2026-49975

Security Advisory Description Memory Allocation with Excessive Size Value vulnerability in Apache HTTP Server's modhttp leads to denial of service via malicious HTTP requests. This issue affects Apache HTTP Server: from 2.4.17 through 2.4.67. CVE-2026-49975 Impact For products with None in the...

PT-2026-47754

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nested mmus array behind mmu lock kvm-arch.nested mmus is walked under kvm-mmu lock, including from the MMU notifier path kvm unmap gfn range - kvm nested s2 unmap, which can run at any time. kvm vcpu init...

QEMU calc_image_hostmem Integer Overflow Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of QEMU. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the virtio-gpu driver. Th...

PT-2026-48129

Unrestricted resource allocation in AMD uProf may be exploitable to consume excessive system resources, potentially leading to a loss of availability...

UBUNTU-CVE-2026-46305

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: osdep: avoid NULL pointer dereference in rtwcbufalloc The return value of kzallocflex is used without ensuring that the allocation succeeded, and the pointer is dereferenced unconditionally. Guard the access t...

PT-2026-47755

In the Linux kernel, the following vulnerability has been resolved: Revert "mm/hugetlbfs: update hugetlbfs to use mmap prepare" This reverts commit ea52cb24cd3f "mm/hugetlbfs: update hugetlbfs to use mmap prepare" with conflict resolution to account for changes in commit ea52cb24cd3f "mm/hugetlbf...

PT-2026-47757

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tap get user xdp tap get user xdp rejects a frame shorter than ETH HLEN with -EINVAL, and returns -ENOMEM when build skb fails. Both paths jump to the err label without freeing the page that vhost...

PT-2026-48321

Spring Data Commons contains a vulnerability that can lead to a Denial of Service DoS condition if Spring Data Web Support is enabled in conjunction with a Controller method using @ProjectedPayload, when an attacker sends a specially crafted HTTP request that causes the application to allocate lo...

PT-2026-47778

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure...

UBUNTU-CVE-2026-46281

In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix buffer overflow in vreallocnodealign Commit 4c5d3365882d "mm/vmalloc: allow to set node and align in vrealloc" added the ability to force a new allocation if the current pointer is on the wrong NUMA node, or if an...

FreeBSD Security Advisory - FreeBSD-SA-26:34.vt

FreeBSD Security Advisory - The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the...

FreeBSD -- Integer overflow in vt(4) CONS_HISTORY ioctl

Problem Description: The CONSHISTORY ioctl handler did not adequately validate the requested history size. A large value caused an integer overflow in the buffer size calculation, resulting in a heap allocation smaller than expected. Subsequent initialization of the buffer wrote beyond the end of...