{"cve":"CVE-2020-13253","nvd":{"published":"2020-05-27T15:15:12.773","modified":"2026-06-17T02:52:48.033","status":"Modified","description":"sd_wp_addr 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-125"],"references":["http://www.openwall.com/lists/oss-security/2020/05/27/2","https://bugzilla.redhat.com/show_bug.cgi?id=1838546","https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html","https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html"],"products":["canonical:ubuntu_linux","debian:debian_linux","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-13253","score":0.00428,"percentile":0.37088,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}