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.
| Package | Ecosystem | Fixed in |
|---|---|---|
| xorg-server | Ubuntu:Pro:14.04:LTS | 2:1.15.1-0ubuntu2.11+esm2 |
| xorg-server | Ubuntu:18.04:LTS | 2:1.19.6-1ubuntu4.5 |
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | xorg-x11-server | before xorg-x11-server 1.20.9 |
| n/a | xorg-x11-server | 1.20.9 |
| alpine | xorg-server | 0, 0, 0 |
| amazon:2 | xorg-x11-server-Xvfb | 0 |
| amazon:2 | xorg-x11-server-source | 0 |
| amazon:2 | xorg-x11-server-Xephyr | 0 |
| amazon:2 | xorg-x11-server-Xorg | 0 |
| amazon:2 | xorg-x11-server-Xnest | 0 |
| amazon:2 | xorg-x11-server-Xdmx | 0 |
| amazon:2 | xorg-x11-server-devel | 0 |
| amazon:2 | xorg-x11-server-common | 0 |
| amazon:2 | xorg-x11-server-Xwayland | 0 |
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
- USN-4488-2 vendor-advisory
- GLSA-202012-01 vendor-advisory