{"cve":"CVE-2020-15469","nvd":{"published":"2020-07-02T20:15:11.227","modified":"2026-06-17T02:56:41.660","status":"Modified","description":"In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","score":2.3},"cwes":["CWE-476"],"references":["http://www.openwall.com/lists/oss-security/2020/07/02/1","https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html","https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html","http://www.openwall.com/lists/oss-security/2020/07/02/1"],"products":["debian:debian_linux","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15469","score":0.00429,"percentile":0.37139,"date":"2026-10-31"},"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."]}