{"cve":"CVE-2020-13659","nvd":{"published":"2020-06-02T13:15:11.077","modified":"2026-06-17T02:53:31.537","status":"Modified","description":"address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L","score":2.5},"cwes":["CWE-476"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html","http://www.openwall.com/lists/oss-security/2020/06/01/3","https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html","https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07313.html","https://security.gentoo.org/glsa/202011-09"],"products":["canonical:ubuntu_linux","debian:debian_linux","opensuse:leap","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-13659","score":0.00429,"percentile":0.37135,"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."]}