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Vulnerability record · CVE-2018-7054 · published 15 February 2018

CVE-2018-7054: Irssi use after free vulnerability

Irssi · Irssi

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when a server is disconnected during netsplits. NOTE: this issue exists because of an incomplete fix for CVE-2017-7191.

9.8 CVSS 3.0 Critical EPSS 2.4% · top 16.8% CWE-416 · Use after free
9.8CVSS 3.0 base score, v2 7.5
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when a server is disconnected during netsplits. NOTE: this issue exists because of an incomplete fix for CVE-2017-7191.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://openwall.com/lists/oss-security/2018/02/15/1 Mailing List
https://irssi.org/security/irssi_sa_2018_02.txt MitigationVendor Advisory
https://usn.ubuntu.com/3590-1/ Third Party Advisory
https://usn.ubuntu.com/4046-1/
https://www.debian.org/security/2018/dsa-4162 Third Party Advisory
http://openwall.com/lists/oss-security/2018/02/15/1 Mailing List
https://irssi.org/security/irssi_sa_2018_02.txt MitigationVendor Advisory
https://usn.ubuntu.com/3590-1/ Third Party Advisory
https://usn.ubuntu.com/4046-1/
https://www.debian.org/security/2018/dsa-4162 Third Party Advisory

Track CVE-2018-7054 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-7054), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.