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CVE-2026-48863: libsolv Stack-Based Buffer Overflow Leading to Denial of Service

A critical stack-based buffer overflow vulnerability, CVE-2026-48863, has been identified in the PGP verification component of libsolv, allowing a remote attacker to trigger a denial of service by crafting a malicious Ed25519 PGP signature with mismatched MPI lengths, impacting automated package or repository processing workflows.

libsolv +1 vulnerability denial-of-service buffer-overflow linux
1c updated