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TI-2009-04917 Aliases CVE-2009-20007GHSA-hv84-7vcq-ccgm

Talkative IRC v0.4.4.16 Response Buffer Overflow

Priority HIGH 81CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02433 84th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TalkativeTalkative IRCup to 0.4.4.16—No fix listedCNA
  • Talkative IRC VendorTalkative Affected up to 0.4.4.16 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-20007
  2. 2026-10-03 Alias added: GHSA-hv84-7vcq-ccgm

References

Exploit 4

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences