CVE-2019-20382

NameCVE-2019-20382
DescriptionQEMU 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-4665-1
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
qemu (PTS)jessie1:2.1+dfsg-12+deb8u6vulnerable
jessie (security)1:2.1+dfsg-12+deb8u15vulnerable
stretch1:2.8+dfsg-6+deb9u8vulnerable
stretch (security)1:2.8+dfsg-6+deb9u9vulnerable
buster, buster (security)1:3.1+dfsg-8+deb10u5fixed
bullseye, sid1:5.0-5fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
qemusource(unstable)1:4.2-1
qemusourcebuster1:3.1+dfsg-8+deb10u5DSA-4665-1
qemu-kvmsource(unstable)(unfixed)

Notes

[stretch] - qemu <postponed> (Minor, can be fixed along in future DSA)
[jessie] - qemu <postponed> (Minor, can be fixed along in future DLA)
https://www.openwall.com/lists/oss-security/2020/03/05/1
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0

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