VDB

CVE-2020-14361

CVE-2020-14361 PUBLISHED

Reported by redhat · Published September 15, 2020

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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
xorg-serverUbuntu:Pro:14.04:LTS2:1.15.1-0ubuntu2.11+esm2
xorg-serverUbuntu:18.04:LTS2:1.19.6-1ubuntu4.5

Affected products

VendorProductVersions
n/axorg-x11-serverbefore xorg-x11-server 1.20.9
n/axorg-x11-server1.20.9
alpinexorg-server0, 0, 0
amazon:2xorg-x11-server-Xvfb0
amazon:2xorg-x11-server-source0
amazon:2xorg-x11-server-Xephyr0
amazon:2xorg-x11-server-Xorg0
amazon:2xorg-x11-server-Xnest0
amazon:2xorg-x11-server-Xdmx0
amazon:2xorg-x11-server-devel0
amazon:2xorg-x11-server-common0
amazon:2xorg-x11-server-Xwayland0

Timeline

  • Aug 26, 2020 CVE Published
  • Apr 14, 2021 EPSS Score (30 in total, the first dated here)
  • Sep 8, 2025 CVE Updated
  • Mar 6, 2026 Distribution Patch (2 in total, the first dated here)
  • Mar 6, 2026 Security Advisory (6 in total, the first dated here)
  • Sep 5, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2020-14361
vulnetix vdb fixes CVE-2020-14361

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-14361/fixes/registry"

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References

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