A heap-based buffer overflow exists in the qr_reader_match_centers function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner. https://hackmd.io/@cspl/B1ZkFZv23
Created zbar tracking bugs for this issue: Affects: epel-all [bug 2235862] Affects: fedora-all [bug 2235863]