Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-17624

36
FAUCET Score

CVE-2019-17624 describes a stack-based buffer overflow in the XQueryKeymap function of X.Org X Server 1.20.4. This vulnerability can be triggered by a local attacker sending a large number of characters, leading to a denial of service (application crash) and potentially other unspecified impacts. With a CVSS score of 7.8 (High), it has a low attack complexity and can result in high impacts to confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, a public exploit (EDB-47507) is available, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.20.4CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.69%
Probability of exploitation in next 30 days
EPSS Percentile
88.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-47507 · Oct 16, 2019
This CVE's current EPSS score of 0.0369 is in the 98th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/154868/X.Org-X-Server-1.20.4-Local-Stack-Overflow.html
Third Party Advisory
exploit-db.com / exploits/47507
ExploitThird Party AdvisoryVDB Entry
x.org / releases/individual/xserver
Release NotesVendor Advisory