CVE-2026-110654 libzvbi through 0.2.45 Out-of-Bounds Write via Teletext DRCS convert_drcs

libzvbi through 0.2.45 contains an out-of-bounds write vulnerability in the Teletext decoder that allows attackers to corrupt memory by supplying unvalidated DRCS pixel-mode values in X/28/3 packets. Attackers can send a crafted Teletext stream decoded via vbidecode with every slot set to...