CVE-2007-1003

24
FAUCET Score

CVE-2007-1003 describes an integer overflow vulnerability in the X.Org X11 server, specifically within the XC-MISC extension's ProcXCMiscGetXIDList function. This flaw allows remote authenticated users to execute arbitrary code by supplying a large expression, leading to memory corruption. With a CVSS score of 9.0, this vulnerability is considered critical due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has received negligible community discussion or media coverage, indicating a low likelihood of active exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
7.1_1.1.0CPE matchmatch criteria
cpe:2.3:a:x.org:x11:7.1_1.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.0HIGH

AV:N/AC:L/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.25%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0525 is in the 91st percentile among its peer group of 17,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: XFree86-0:4.1.0-82.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: XFree86-0:4.3.0-120.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: xorg-x11-0:6.8.2-1.EL.13.37.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xorg-x11-server-0:1.1.1-48.13.0.1.el5
View patch
ubuntupatch availablevia nvd_reference
View patch

References

secunia.com / advisories/24756
PatchVendor Advisory
secunia.com / advisories/24770
PatchVendor Advisory
ubuntu.com / usn/usn-448-1
PatchVendor Advisory