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TI-2011-01251 Aliases CVE-2011-1428GHSA-4663-xvr2-gqpr

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly…

Priority LOW 28CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Wee Enhanced Environment for Chat (aka WeeChat) 0.3.4 and earlier does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof an SSL chat server via an arbitrary certificate, related to incorrect use of the GnuTLS API.

Why it matters now

EPSS 0.01082 65th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 35

CPEVersionsRoleVendor
cpe:2.3:a:flashtux:weechat:*:*:*:*:*:*:*:*up to 0.3.4VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.1:*:*:*:*:*:*:*0.0.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.2:*:*:*:*:*:*:*0.0.2VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.3:*:*:*:*:*:*:*0.0.3VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.4:*:*:*:*:*:*:*0.0.4VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.5:*:*:*:*:*:*:*0.0.5VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.6:*:*:*:*:*:*:*0.0.6VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.7:*:*:*:*:*:*:*0.0.7VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.8:*:*:*:*:*:*:*0.0.8VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.0.9:*:*:*:*:*:*:*0.0.9VulnerableFlashtux
  • cpe:2.3:a:flashtux:weechat:*:*:*:*:*:*:*:* Versions up to 0.3.4 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.1:*:*:*:*:*:*:* Versions 0.0.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.2:*:*:*:*:*:*:* Versions 0.0.2 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.3:*:*:*:*:*:*:* Versions 0.0.3 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.4:*:*:*:*:*:*:* Versions 0.0.4 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.5:*:*:*:*:*:*:* Versions 0.0.5 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.6:*:*:*:*:*:*:* Versions 0.0.6 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.7:*:*:*:*:*:*:* Versions 0.0.7 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.8:*:*:*:*:*:*:* Versions 0.0.8 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.0.9:*:*:*:*:*:*:* Versions 0.0.9 Vulnerable ·Flashtux
Show 25 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:flashtux:weechat:0.1.0:*:*:*:*:*:*:*0.1.0VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.1:*:*:*:*:*:*:*0.1.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.2:*:*:*:*:*:*:*0.1.2VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.3:*:*:*:*:*:*:*0.1.3VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.4:*:*:*:*:*:*:*0.1.4VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.5:*:*:*:*:*:*:*0.1.5VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.6:*:*:*:*:*:*:*0.1.6VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.7:*:*:*:*:*:*:*0.1.7VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.8:*:*:*:*:*:*:*0.1.8VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.1.9:*:*:*:*:*:*:*0.1.9VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.0:*:*:*:*:*:*:*0.2.0VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.1:*:*:*:*:*:*:*0.2.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.2:*:*:*:*:*:*:*0.2.2VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.3:*:*:*:*:*:*:*0.2.3VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.4:*:*:*:*:*:*:*0.2.4VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.5:*:*:*:*:*:*:*0.2.5VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.6:*:*:*:*:*:*:*0.2.6VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.6.1:*:*:*:*:*:*:*0.2.6.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.6.2:*:*:*:*:*:*:*0.2.6.2VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.2.6.3:*:*:*:*:*:*:*0.2.6.3VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.3.0:*:*:*:*:*:*:*0.3.0VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.3.1:*:*:*:*:*:*:*0.3.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.3.1.1:*:*:*:*:*:*:*0.3.1.1VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.3.2:*:*:*:*:*:*:*0.3.2VulnerableFlashtux
cpe:2.3:a:flashtux:weechat:0.3.3:*:*:*:*:*:*:*0.3.3VulnerableFlashtux
  • cpe:2.3:a:flashtux:weechat:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.1:*:*:*:*:*:*:* Versions 0.1.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.2:*:*:*:*:*:*:* Versions 0.1.2 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.3:*:*:*:*:*:*:* Versions 0.1.3 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.4:*:*:*:*:*:*:* Versions 0.1.4 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.5:*:*:*:*:*:*:* Versions 0.1.5 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.6:*:*:*:*:*:*:* Versions 0.1.6 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.7:*:*:*:*:*:*:* Versions 0.1.7 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.8:*:*:*:*:*:*:* Versions 0.1.8 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.1.9:*:*:*:*:*:*:* Versions 0.1.9 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.0:*:*:*:*:*:*:* Versions 0.2.0 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.1:*:*:*:*:*:*:* Versions 0.2.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.2:*:*:*:*:*:*:* Versions 0.2.2 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.3:*:*:*:*:*:*:* Versions 0.2.3 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.4:*:*:*:*:*:*:* Versions 0.2.4 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.5:*:*:*:*:*:*:* Versions 0.2.5 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.6:*:*:*:*:*:*:* Versions 0.2.6 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.6.1:*:*:*:*:*:*:* Versions 0.2.6.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.6.2:*:*:*:*:*:*:* Versions 0.2.6.2 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.2.6.3:*:*:*:*:*:*:* Versions 0.2.6.3 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.3.0:*:*:*:*:*:*:* Versions 0.3.0 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.3.1:*:*:*:*:*:*:* Versions 0.3.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.3.1.1:*:*:*:*:*:*:* Versions 0.3.1.1 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.3.2:*:*:*:*:*:*:* Versions 0.3.2 Vulnerable ·Flashtux
  • cpe:2.3:a:flashtux:weechat:0.3.3:*:*:*:*:*:*:* Versions 0.3.3 Vulnerable ·Flashtux

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1428
  2. 2026-10-03 Alias added: GHSA-4663-xvr2-gqpr

References

Exploit 2

Other 1

  • TI-2012-04884 Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to… CVSS 2.0HIGH 7.5
  • TI-2012-04652 The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows… CVSS 2.0HIGH 7.5
  • TI-2009-00637 Wee Enhanced Environment for Chat (WeeChat) 0.2.6 allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0

Sources

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