CVE-2009-20004
gAlan <= 0.2.1 Buffer Overflow
Vexday Risk Score
36Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Functional exploit
Automatable exploit available (Nuclei/Metasploit).
CVSS 8.4EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit simPatch —
Lifecycle
07 Dec 2009Metasploit module available
21 Aug 2025Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
gAlan 0.2.1, a modular audio processing environment for Windows, is vulnerable to a stack-based buffer overflow when parsing .galan files. The application fails to properly validate the length of input data, allowing a specially crafted file to overwrite the stack and execute arbitrary code. Exploitation requires local interaction, typically by convincing a user to open the malicious file.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
gAlan · gAlanReferences
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/galan_fileformat_bof.rbhttps://web.archive.org/web/20101210055252/http://galan.sourceforge.net/https://www.exploit-db.com/exploits/10339https://www.exploit-db.com/exploits/10345https://www.exploit-db.com/exploits/16664https://www.fortiguard.com/encyclopedia/ips/18034/galan-galan-file-stack-overflowhttps://www.vulncheck.com/advisories/galan-buffer-overflow