Buffer overflow in Talkative Irc
CVE-2009-20007
Talkative IRC v0.4.4.16 is vulnerable to a stack-based buffer overflow when processing specially crafted response strings sent to a connected client. An attacker can exploit this flaw by sending an overly long message that overflows a fixed-length buffer, potentially leading to arbitrary code execution in the context of the vulnerable process. This vulnerability is exploitable remotely and does not require authentication.
Vulnerability class: Buffer Overflow
Published · last modified .
EPSS exploit prediction
EPSS: 0.014 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Talkative Irc — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/w… (exploit)
- www.exploit-db.com/exploits/8227 (exploit)
- www.exploit-db.com/exploits/16459 (exploit)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2009-4909.php (technical-description, exploit)
- web.archive.org/web/20090116203306/http://www.talkative-irc.com/ (product)
- www.vulncheck.com/advisories/talkative-irc-response-buffer-overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2009-20007?
- CVE-2009-20007 is a vulnerability in Talkative Irc, classified under Stack-based Buffer Overflow. Published 2025-09-16.
- Is CVE-2009-20007 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.