CVE-2003-0071: The DEC UDK processing feature in the xterm terminal emulator in XFree86 4.2.99.4 and earlier allows attackers to cause a denial of service…
Noroxi assessment
Priority: Monitor (action score 8/100)
- The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
- Probability of exploitation in the next 30 days: 0.42% (FIRST EPSS).
- No special conditions are required; it is repeatable.
- Fixed version: xfree86 (Debian:3.0) 4.1.0-16woody1.
Low priority for now. Upgrade to xfree86 (Debian:3.0) 4.1.0-16woody1 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · FIRST EPSS
The DEC UDK processing feature in the xterm terminal emulator in XFree86 4.2.99.4 and earlier allows attackers to cause a denial of service via a certain character escape sequence that causes the terminal to enter a tight loop.
- Published
- Mar 3, 2003
- Updated
- Jun 16, 2026
- EPSS
- 0.4% · 37th percentile
- CWE
- —
Report tools
Action score
8
Low priority for now.
- CVSS
- 8 / 40 · 2.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.4%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- No public exploit code on record
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
Is your version affected? Check itNoroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| xfree86 project | x11r6 | cpe:2.3:a:xfree86_project:x11r6 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- xfree86 project x11r64.0
- xfree86 project x11r64.0.1
- xfree86 project x11r64.0.3
- xfree86 project x11r64.1.0
- xfree86 project x11r64.2.0
- xfree86 project x11r64.2.1
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:3.0 | xfree86 | before 4.1.0-16woody1 | 4.1.0-16woody1 |
Same product
xfree86 project: all recordsOther highest-scoring records for the same primary product.
- CVE-2004-0084Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or…47Plan
- CVE-2004-0083Buffer overflow in ReadFontAlias from dirfile.c of XFree86 4.1.0 through 4.3.0 allows local users and remote attackers to execute arbitrary…46Plan
- CVE-2002-1510xdm, with the authComplain variable set to false, allows arbitrary attackers to connect to the X server if the xdm auth directory does not…41Plan
Published before and after this one in the same product
- ← EarlierCVE-2002-1472Mar 3, 2003 · Untrusted search path vulnerability in libX11.so in xfree86, when used in setuid or setgid programs, allows local users to gain root…28Monitor
- ← EarlierCVE-2003-0063Mar 3, 2003 · The xterm terminal emulator in XFree86 4.2.0 and earlier allows attackers to modify the window title via a certain character escape…30Monitor
- Later →CVE-2003-0730Oct 20, 2003 · Multiple integer overflows in the font libraries for XFree86 4.3.0 allow local or remote attackers to cause a denial of service or execute…32Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:xfree86 | 4.1.0-16woody1 · Debian:3.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log (1)
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (8 more)Show less
- marc.info/?l=bugtraq&m=104612710031920&w=2
- www.debian.org/security/2003/dsa-380
- www.iss.net/security_center/static/11415.php
- www.redhat.com/support/errata/RHSA-2003-064.html
- www.redhat.com/support/errata/RHSA-2003-065.html
- www.redhat.com/support/errata/RHSA-2003-066.html
- www.redhat.com/support/errata/RHSA-2003-067.html
- www.securityfocus.com/bid/6950
Vendor advisories and official records. Exploit/PoC links are deliberately left out.