CVE-2003-1431 describes a buffer overflow vulnerability in Epic Games Unreal Engine versions 226f through 436. This flaw allows a remote attacker to trigger a denial of service by supplying an excessively long host string within an Unreal URL, causing the engine to crash. With a CVSS score of 7.1, this vulnerability is considered high severity. It can be exploited remotely with medium attack complexity and results in a complete loss of availability (crash) without impacting confidentiality or integrity. While not listed on the CISA KEV catalog, an exploit (EDB-22223) is publicly available on ExploitDB. The vulnerability has garnered significant community discussion with 10 mentions, indicating awareness, but there is no evidence of active exploitation in the wild.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
226fCPE matchmatch criteria | cpe:2.3:a:epic_games:unreal_engine:226f:*:*:*:*:*:*:* | ||
433CPE matchmatch criteria | cpe:2.3:a:epic_games:unreal_engine:433:*:*:*:*:*:*:* | ||
436CPE matchmatch criteria | cpe:2.3:a:epic_games:unreal_engine:436:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub 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 records are not available for this CVE.