CVE-2019-20382
Published: 5 March 2020
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
bionic |
Released
(1:2.11+dfsg-1ubuntu7.26)
|
| eoan |
Released
(1:4.0+dfsg-0ubuntu9.6)
|
|
| focal |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| groovy |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| hirsute |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| impish |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| jammy |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| kinetic |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| lunar |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| mantic |
Not vulnerable
(1:4.2-3ubuntu1)
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(1:2.5+dfsg-5ubuntu10.44)
|
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.5 |
| Attack vector | Adjacent |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |