| Name | CVE-2019-20382 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2288-1, DSA-4665-1, ELA-283-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qemu (PTS) | jessie, jessie (lts) | 1:2.1+dfsg-12+deb8u23 | fixed |
| stretch (security) | 1:2.8+dfsg-6+deb9u17 | fixed |
| stretch (lts), stretch | 1:2.8+dfsg-6+deb9u19 | fixed |
| buster (security), buster, buster (lts) | 1:3.1+dfsg-8+deb10u12 | fixed |
| bullseye | 1:5.2+dfsg-11+deb11u3 | fixed |
| bullseye (security) | 1:5.2+dfsg-11+deb11u2 | fixed |
| bookworm | 1:7.2+dfsg-7+deb12u7 | fixed |
| sid, trixie | 1:9.1.1+ds-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qemu | source | wheezy | (unfixed) | end-of-life | | |
| qemu | source | jessie | 1:2.1+dfsg-12+deb8u17 | | ELA-283-1 | |
| qemu | source | stretch | 1:2.8+dfsg-6+deb9u10 | | DLA-2288-1 | |
| qemu | source | buster | 1:3.1+dfsg-8+deb10u5 | | DSA-4665-1 | |
| qemu | source | (unstable) | 1:4.2-1 | | | |
| qemu-kvm | source | wheezy | (unfixed) | end-of-life | | |
| qemu-kvm | source | (unstable) | (unfixed) | | | |
Notes
[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