Ubuntu DSA-7219-1 Ghostscript Severe Buffer Underflow DDoS CVE-2026-4401

A heap-based buffer overflow flaw was discovered in MuPDF, a lightweight PDF viewer, which may result in denial of service or the execution of arbitrary code if malformed documents are opened. For the oldstable distribution (bookworm), this problem has been fixed in version 1.21.1+ds2-1+deb12u1.LinuxSecurity – Security AdvisoriesRead More