Double Free in Psutil Project
CVE-2019-18874
psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a while or for loop that converts system data into a Python object.
Vulnerability class: Double Free
EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Psutil_project Psutil
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2019-18874?
- CVE-2019-18874 is a high-severity vulnerability in Psutil Project, classified under Double Free. CVSS score: 7.5/10. Published 2019-11-12.
- How severe is CVE-2019-18874?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-18874 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.