CVE-2003-1431

highpriority · track · 40EPSS 0.052 · 92 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

5.24% (92nd) EPSS

CVSS 7.1 · high

Is it mine?

4 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Buffer overflow in Epic Games Unreal Engine 226f through 436 allows remote attackers to cause a denial of service (crash) via a long host string in the Unreal URL.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.1

v2.07.1highAV:N/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 6.9

v2.06.4mediumAV:N/AC:M/Au:N/C:N/I:N/A:C/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-22223Epic Games Unreal Engine 436 - Client Unreal URL Denial of Servicefunctional · exploit_db

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
epic games unreal engine= 226fnvdUScpe:2.3:a:epic_games:unreal_engine:*:*:*:*:*:*:*:*
epic games unreal engine= 433nvdUScpe:2.3:a:epic_games:unreal_engine:*:*:*:*:*:*:*:*
epic games unreal engine= 436nvdUScpe:2.3:a:epic_games:unreal_engine:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2003-12-31modified 2026-06-16

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+21039 more

references (10)

External citations — patches, advisories, analysis.

scry

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