cve 2026-42015

The cve 2026-42015 tag covers discussion of a GnuTLS memory-corruption vulnerability involving an off-by-one error in PKCS#12 bag handling. Microsoft lists the issue in its Security Update Guide, and the reported impact is a limited denial-of-service condition that a remote, unauthenticated attacker may trigger. Coverage focuses on patch availability and practical exposure in hybrid Windows environments, including WSL images, containers, Linux-based appliances, Azure workloads, developer toolchains, and third-party packages. The issue is presented as open-source plumbing risk alongside Microsoft code, rather than a Windows kernel emergency, credential-theft flaw, or remote-code-execution event.