Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2009-0661

18
FAUCET Score

CVE-2009-0661 describes an out-of-bounds read vulnerability in Wee Enhanced Environment for Chat (WeeChat) version 0.2.6, specifically affecting the flashtux weechat product. A remote attacker can trigger a denial of service (crash) by sending an IRC PRIVMSG command containing specially crafted color codes. This vulnerability has a CVSS score of 5.0, indicating a medium severity due to its network-based attack vector, low complexity, and partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.2.6CPE matchmatch criteria
cpe:2.3:a:flashtux:weechat:0.2.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.10%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0311 is in the 81st percentile among its peer group of 23,690 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-0661Moderate

WeeChat: DoS (crash) when receiving special characters in IRC messages

Mar 14, 2009

References

bugs.debian.org / cgi-bin/bugreport.cgi
osvdb.org / 52763
savannah.nongnu.org / bugs/index.php
secunia.com / advisories/34304
Vendor Advisory
secunia.com / advisories/34328
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/49295
weechat.flashtux.org
Vendor Advisory
debian.org / security/2009/dsa-1744
openwall.com / lists/oss-security/2009/03/17/8
securityfocus.com / bid/34148
Patch
vupen.com / english/advisories/2009/0758
PatchVendor Advisory