Buffer overflow in X.org X Server
CVE-2020-25712
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (26.2th 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
- Redhat Enterprise_linux — versions 8.0
- N/a Xorg-x11-server — versions xorg-x11-server 1.20.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Mailing List, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-25712?
- CVE-2020-25712 is a high-severity vulnerability in X.org X Server, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2020-12-15.
- How severe is CVE-2020-25712?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-25712 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.