CVE-2026-48025 nebula-mesh: Decrypted CA private key persists in heap after signing

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.7, internal/pki/resolver.go:36-64 constructs a CAManager with the plaintext ed25519.PrivateKey after unwrapping via the master key; internal/pki/ca.go:13-16 stores it. Callers at...

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry...

Imagination Graphics DDK 安全漏洞

Imagination Graphics DDK is a GPU driver toolkit developed by the British company Imagination. There is a security vulnerability in Imagination Graphics DDK, which stems from improper handling of GPU memory retention protection. This vulnerability could allow software running with non-privileged...

::Engine security vulnerabilities

is::Engine is a game engine developed by Is Daouda personally. Versions of is::Engine prior to 3.3.4 contained security vulnerabilities, which stemmed from the issue of memory being retained after the effective lifetime of objects had ended...

PT-2025-53010

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to BPF percpu hash maps. Missing calls to bpf obj free fields in pcpu copy value could lead to memory referenced by BPF KPTR REF,PERCPU fields...

CVE-2023-50247

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The QUIC stack quicly, as used by H2O up to commit 43f86e5 in version 2.3.0-beta and prior, is susceptible to a state exhaustion attack. When H2O is serving HTTP/3, a remote attacker can exploit this vulnerability to progressivel...

grant table v2 status pages may remain accessible after de-allocation (take two)

ISSUE DESCRIPTION Guest get permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, get de-allocated when a guest switched back from v2 to v1. The freeing of such...

CVE-2020-15024

An issue was discovered in the Login Password feature of the Password Manager component in Avast Antivirus 20.1.5069.562. An entered password continues to be stored in Windows main memory after a logout, and after a Lock Vault operation...