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Memory Leak Affecting qemu package, versions <1:4.2-1

0.0
low

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.05% (15th percentile)
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NVD
3.5 low
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SUSE
6.5 medium
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Red Hat
3.5 low

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  • Snyk ID SNYK-DEBIAN11-QEMU-559404
  • published 5 Mar 2020
  • disclosed 5 Mar 2020
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Introduced: 5 Mar 2020

CVE-2019-20382 Open this link in a new tab
CWE-401 Open this link in a new tab

How to fix?

Upgrade Debian:11 qemu to version 1:4.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.