CVE-2019-20382: canonical ubuntu_linux
Vulnerability summary
CVE-2019-20382 is a low (CVSS 3.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities.
Not severe (CVSS 3.5, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 7Timeline
- 05-03-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- OSV · DebianEcosystem advisory · calculated3.5LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.87%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.87% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:4.2-1
- debian_linuxEOL9.0 | 10.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 19.10 | 20.04
Opensuse1 product
- leapEOL15.1
Qemu1 product
- qemu4.1.0
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.47+esm4 | < 1:2.5+dfsg-5ubuntu10.44 | < 1:2.11+dfsg-1ubuntu7.26
5 vendors · 6 products
References
12 links- www.openwall.com/lists/oss-security/2020/03/05/1X Refsource MISCMailing ListPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlVendor AdvisoryX Refsource SUSEBroken LinkThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory