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

CVE ID :CVE-2026-48863

Published : July 16, 2026, 1:16 a.m. | 18 minutes ago

Description :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. Processing this crafted signature could lead to a denial of service in automated package or repository processing workflows.

Severity: 7.5 | HIGH

Visit the link for more details, such as CVSS details, affected products, timeline, and more…