CVE-2009-3560 is a denial-of-service vulnerability in the big2_toUtf8 function of libexpat 2.0.1, specifically as used in the XML-Twig module for Perl. This flaw allows unauthenticated attackers to crash affected applications, such as Apache HTTP Server, by submitting XML documents containing malformed UTF-8 sequences that trigger a buffer over-read. Rated with a CVSS score of 5.0 (Medium), it has a low attack complexity and impacts availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.0.1CPE matchmatch criteria | cpe:2.3:a:libexpat_project:libexpat:2.0.1:*:*:*:*:*:*:* | ||
>= 2.0.35, < 2.0.64CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.2.17CPE matchmatch criteria | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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