CVE-2026-48863 Libsolv: stack-based buffer overflow in libsolv eddsa pgp signature verification allows denial of service

A flaw was found in libsolv. A stack-based buffer overflow vulnerability exists in the PGP verification component due to incorrect length handling when copying EdDSA 's' MPI into a stack buffer. A remote attacker could craft a malicious Ed25519 PGP signature with mismatched MPI lengths. Processin...

The vulnerability of the email verification component (DANE) based on DNS in Cisco AsyncOS operating system for the Cisco Email Security Appliance allows a attacker to trigger a service failure.

The vulnerability of the email verification component DANE in Cisco AsyncOS operating systems for the Cisco Email Security Appliance is related to resource management errors. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...