Vulnerability in Qemu
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 in deflateInit2 is not freed in deflateEnd.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.009 (57.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Qemu — versions 4.1.0
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.10
- Debian Linux — versions 9.0, 10.0
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.qemu.org/
- www.openwall.com/lists/oss-security/2020/03/05/1 (Patch, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html (vendor-advisory, Third Party Advisory, Broken Link)
- www.debian.org/security/2020/dsa-4665 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4372-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20382?
- CVE-2019-20382 is a low-severity vulnerability in Qemu, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.5/10. Published 2020-03-05.
- How severe is CVE-2019-20382?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2019-20382 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.