Low severity · published Mar 5, 2020
CVE-2019-20382
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…
3.5
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
QE
Qemu · Qemu
4.1.0 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 19.10; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20382
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20382
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
Mailing List
http://www.openwall.com/lists/oss-security/2020/03/05/1
git.qemu.org
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
Third Party Advisory
https://usn.ubuntu.com/4372-1/
Third Party Advisory
https://www.debian.org/security/2020/dsa-4665
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