Integer overflow in X.org X Server
CVE-2020-14362
A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
EPSS: 0.006 (44.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- X.org X_server
- Canonical Ubuntu_linux — versions 14.04
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- N/a Xorg-x11-server — versions before xorg-x11-server 1.20.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14362?
- CVE-2020-14362 is a high-severity vulnerability in X.org X Server, classified under Integer Underflow. CVSS score: 7.8/10. Published 2020-09-15.
- How severe is CVE-2020-14362?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-14362 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.