CVE-2019-20382

LowCVSS 3.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 3.5/10CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-401

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlBroken Link, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/05/1Mailing List, Patch, Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4372-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4665Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlBroken Link, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/05/1Mailing List, Patch, Third Party Advisory
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4372-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4665Third Party Advisory

Timeline

Published: Mar 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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