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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.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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OR
*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE Modified by Red Hat, Inc.10/07/2022 10:15:50 AM
Action
Type
Old Value
New Value
Added
CWE
Red Hat, Inc. CWE-191
Removed
CWE
Red Hat, Inc. CWE-190
Removed
CWE Reason
CWE-190 / More specific CWE option available
Modified Analysis by NIST11/04/2021 12:35:54 PM
Action
Type
Old Value
New Value
Added
CWE
NIST CWE-191
Removed
CWE
NIST CWE-190
Changed
Reference Type
https://security.gentoo.org/glsa/202012-01 No Types Assigned
https://security.gentoo.org/glsa/202012-01 Third Party Advisory
Changed
Reference Type
https://www.zerodayinitiative.com/advisories/ZDI-20-1419/ No Types Assigned
https://www.zerodayinitiative.com/advisories/ZDI-20-1419/ Third Party Advisory, VDB Entry
CVE Modified by Red Hat, Inc.12/09/2020 12:15:29 PM