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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.035 (88.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/giampaolo/psutil/pull/1616 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/11/msg00018.html (mailing-list)
- usn.ubuntu.com/4204-1/ (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (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.