{"cve":"CVE-2019-20382","nvd":{"published":"2020-03-05T19:15:11.357","modified":"2026-06-17T02:30:19.553","status":"Modified","description":"QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","score":3.5},"cwes":["CWE-401"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html","http://www.openwall.com/lists/oss-security/2020/03/05/1","https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0","https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html","https://usn.ubuntu.com/4372-1/"],"products":["canonical:ubuntu_linux","debian:debian_linux","opensuse:leap","qemu:qemu"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-20382","score":0.00866,"percentile":0.58711,"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."]}