CVE-2019-20382
Publication date 5 March 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
qemu | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Not affected
|
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Fixed 1:2.11+dfsg-1ubuntu7.26
|
|
16.04 LTS xenial |
Fixed 1:2.5+dfsg-5ubuntu10.44
|
|
14.04 LTS trusty |
Vulnerable
|
|
qemu-kvm | 24.10 oracular | Not in release |
24.04 LTS noble | Not in release | |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Patch details
Package | Patch details |
---|---|
qemu |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 3.5 · Low |
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 |
References
Related Ubuntu Security Notices (USN)
- USN-4372-1
- QEMU vulnerabilities
- 21 May 2020