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TI-2010-01111 Aliases CVE-2010-1155GHSA-hvgv-8rp6-894g

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a…

Priority LOW 33CWE-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 · Partial
Fix status
No fix listed

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

Summary

Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.

Why it matters now

EPSS 0.01562 75th percentileScored 2026-11-07
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 · 24

CPEVersionsRoleVendor
cpe:2.3:a:irssi:irssi:*:rc1:*:*:*:*:*:*up to 0.8.15VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.0:*:*:*:*:*:*:*0.8.0VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.1:*:*:*:*:*:*:*0.8.1VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.2:*:*:*:*:*:*:*0.8.2VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.3:*:*:*:*:*:*:*0.8.3VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.4:*:*:*:*:*:*:*0.8.4VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.5:*:*:*:*:*:*:*0.8.5VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.6:*:*:*:*:*:*:*0.8.6VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.7:*:*:*:*:*:*:*0.8.7VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.8:*:*:*:*:*:*:*0.8.8VulnerableIrssi
  • cpe:2.3:a:irssi:irssi:*:rc1:*:*:*:*:*:* Versions up to 0.8.15 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.0:*:*:*:*:*:*:* Versions 0.8.0 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.1:*:*:*:*:*:*:* Versions 0.8.1 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.2:*:*:*:*:*:*:* Versions 0.8.2 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.3:*:*:*:*:*:*:* Versions 0.8.3 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.4:*:*:*:*:*:*:* Versions 0.8.4 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.5:*:*:*:*:*:*:* Versions 0.8.5 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.6:*:*:*:*:*:*:* Versions 0.8.6 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.7:*:*:*:*:*:*:* Versions 0.8.7 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.8:*:*:*:*:*:*:* Versions 0.8.8 Vulnerable ·Irssi
Show 14 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:irssi:irssi:0.8.9:*:*:*:*:*:*:*0.8.9VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.10:*:*:*:*:*:*:*0.8.10VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.10:rc5:*:*:*:*:*:*0.8.10 rc5VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.10:rc6:*:*:*:*:*:*0.8.10 rc6VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.10:rc7:*:*:*:*:*:*0.8.10 rc7VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.10:rc8:*:*:*:*:*:*0.8.10 rc8VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.11:*:*:*:*:*:*:*0.8.11VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.11:rc1:*:*:*:*:*:*0.8.11 rc1VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.11:rc2:*:*:*:*:*:*0.8.11 rc2VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.12:*:*:*:*:*:*:*0.8.12VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.12:rc1:*:*:*:*:*:*0.8.12 rc1VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:*0.8.13VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.13:rc1:*:*:*:*:*:*0.8.13 rc1VulnerableIrssi
cpe:2.3:a:irssi:irssi:0.8.14:*:*:*:*:*:*:*0.8.14VulnerableIrssi
  • cpe:2.3:a:irssi:irssi:0.8.9:*:*:*:*:*:*:* Versions 0.8.9 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.10:*:*:*:*:*:*:* Versions 0.8.10 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.10:rc5:*:*:*:*:*:* Versions 0.8.10 rc5 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.10:rc6:*:*:*:*:*:* Versions 0.8.10 rc6 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.10:rc7:*:*:*:*:*:* Versions 0.8.10 rc7 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.10:rc8:*:*:*:*:*:* Versions 0.8.10 rc8 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.11:*:*:*:*:*:*:* Versions 0.8.11 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.11:rc1:*:*:*:*:*:* Versions 0.8.11 rc1 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.11:rc2:*:*:*:*:*:* Versions 0.8.11 rc2 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.12:*:*:*:*:*:*:* Versions 0.8.12 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.12:rc1:*:*:*:*:*:* Versions 0.8.12 rc1 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:* Versions 0.8.13 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.13:rc1:*:*:*:*:*:* Versions 0.8.13 rc1 Vulnerable ·Irssi
  • cpe:2.3:a:irssi:irssi:0.8.14:*:*:*:*:*:*:* Versions 0.8.14 Vulnerable ·Irssi

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2010-1155
  2. 2026-10-03 Alias added: GHSA-hvgv-8rp6-894g

References

Patch 1

Advisory 4

Other 10

  • TI-2017-08049 An issue was discovered in Irssi before 1.0.4. CVSS 3.0CRITICAL 9.8
  • TI-2017-04886 The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of… CVSS 3.0CRITICAL 9.8
  • TI-2002-01759 irssi IRC client 0.8.4, when downloaded after 14-March-2002, could contain a backdoor in… CVSS 2.0HIGH 10.0
  • TI-2019-11799 Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP. CVSS 3.0CRITICAL 9.8
  • TI-2019-04193 Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer. CVSS 3.0CRITICAL 9.8
  • TI-2018-05119 An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. CVSS 3.0CRITICAL 9.8
See all 40 →

Sources

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