CVE-2009-2473 describes a denial-of-service vulnerability in neon versions prior to 0.28.6, specifically when using the expat library. Attackers can exploit this by submitting a specially crafted XML document with deeply nested entity references, leading to excessive memory and CPU consumption. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and partial availability impact, with no confidentiality or integrity impact. While no Metasploit or Nuclei exploits are available, an ExploitDB entry exists for a similar Expat UTF-8 character parsing DoS. There is no evidence of active exploitation, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.28.6CPE matchmatch criteria | cpe:2.3:a:webdav:neon:0.28.6:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.