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Fencer Intel
critical 9.8

CVE-2018-7054 json

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1.

published 8y ago modified 4mo ago also EUVD-2018-18797

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

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.

Patch / fix

  • irssi irssi 1.0.7
  • irssi Debian 14, Debian 13, Debian 12 1.0.7-1

debian advisories DEBIAN-CVE-2018-7054

  • irssi Ubuntu 18.04 LTS 1.0.5-1ubuntu4.2

ubuntu advisories UBUNTU-CVE-2018-7054

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • irssi openSUSE Tumbleweed 1.2.3-2.4
  • irssi Package Hub 12 1.1.1-43.1

opensuse advisories openSUSE-SU-2024:10865-1openSUSE-SU-2018:0475-1openSUSE-SU-2018:0477-1

  • irssi Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 1.1.1-r0
  • irssi Alpine 3.7, Alpine 3.6 1.0.6-r0

alpine advisories ALPINE-CVE-2018-7054

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • irssi Arch Linux 1.1.1-1

arch linux advisories AVG-616

Is CVE-2018-7054 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-7054 updated cvss 3.7

irssi: use-after-free when a server is disconnected during netsplits

  • Red Hat Enterprise Linux 6 irssi Red Hat Enterprise Linux 7 irssi Red Hat Enterprise Linux 8 irssi
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.38% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.