CVE-2026-27821 GPAC NHML Demuxer (dmx_nhml.c) Vulnerable to Stack Buffer Overflow

GPAC is an open-source multimedia framework. In versions up to and including 26.02.0, a stack buffer overflow occurs during NHML file parsing in src/filters/dmxnhml.c. The value of the xmlHeaderEnd XML attribute is copied from att-value into szXmlHeaderEnd1000 using strcpy without any length...