CVE-2019-20382

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 05 Mar 2020, 18:27
Last modified:05 Aug 2024, 02:39

Vulnerability Summary

Overall Risk (default)
low
14/100
CVSS Score
3.5 LOW
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Mar 2020, 18:27
Published
Vulnerability first disclosed
05 Aug 2024, 02:39
Last Modified
Vulnerability 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

  • v3.1•LOW•Score: 3.5CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • v2.0•LOW•Score: 2.7AV:A/AC:L/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.04%• Percentile: 14%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 19.10 | 20.04

  • debian•debian_linux

    9.0 | 10.0

  • opensuse•leap

    15.1

  • qemu•qemu

    4.1.0

References (6)