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Vulnerability record · CVE-2018-7053 · published 15 February 2018

CVE-2018-7053: 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 SASL messages are received in an unexpected order.

9.8 CVSS 3.0 Critical EPSS 2.4% · top 16.6% 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
8References
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 SASL messages are received in an unexpected order.

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

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Source: NIST National Vulnerability Database (record CVE-2018-7053), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.