Home/CVE/When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
CVE

CVE-2018-5206

When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.

When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.

CRITICAL · CVSS 9.8 EPSS 0.00584
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

2
irssi< 1.0.6
debian linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Jan 2018 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10865-1
usnUSN-3527-1
suse-csafopenSUSE-SU-2018:0057-1
suse-csafopenSUSE-SU-2018:0058-1
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://irssi.org/security/irssi_sa_2018_01.txtPatchVendor Advisory
https://www.debian.org/security/2018/dsa-4162Third Party Advisory
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