CVE-2015-20109 describes a denial-of-service vulnerability in the GNU C Library (glibc) versions prior to 2.22, specifically within the fnmatch library function. An attacker could trigger an application crash by providing a specially crafted pattern like "(!()" to the fnmatch function. This vulnerability is rated Medium (CVSS 5.5) due to its local attack vector and potential for high availability impact, though user interaction is required. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.22CPE matchmatch criteria | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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