sdwpaddr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-13253.json"