CVE-2020-14347 (GCVE-0-2020-14347)

Vulnerability from cvelistv5 – Published: 2020-08-05 13:08 – Updated: 2024-08-04 12:39
VLAI
Summary
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
References
Impacted products
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-02-23T18:17:58+00:00",
      "cve": "CVE-2020-14347",
      "id": "CVE-2020-14347",
      "initial_release_date": "2020-07-31T00:00:00+00:00",
      "product_status:fixed": "927",
      "product_status:known_affected": "19",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "xorg-x11-server: Leak of uninitialized heap memory from the X server to clients in AllocatePixmap of dix/pixmap.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-14347.json",
      "version": "3"
    }
  }
}