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Vulnerabilities / CVE-2018-5208

critical

CVE-2018-5208

irssi: heap buffer overflow due to calculation error in the completion code

Published Modified CWE 119
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.0CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (medium).

Description

In Irssi before 1.0.6, a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.10irssi1.0.6-r0
alpine 3.11irssi1.0.6-r0
alpine 3.12irssi1.0.6-r0
alpine 3.13irssi1.0.6-r0
alpine 3.14irssi1.0.6-r0
alpine 3.15irssi1.0.6-r0
alpine 3.16irssi1.0.6-r0
alpine 3.17irssi1.0.6-r0
alpine 3.18irssi1.0.6-r0
alpine 3.19irssi1.0.6-r0
alpine 3.20irssi1.0.6-r0
alpine 3.21irssi1.0.6-r0
Show all 35 entries from 34 sources
SourcePackageFixed in
alpine 3.10irssi1.0.6-r0
alpine 3.11irssi1.0.6-r0
alpine 3.12irssi1.0.6-r0
alpine 3.13irssi1.0.6-r0
alpine 3.14irssi1.0.6-r0
alpine 3.15irssi1.0.6-r0
alpine 3.16irssi1.0.6-r0
alpine 3.17irssi1.0.6-r0
alpine 3.18irssi1.0.6-r0
alpine 3.19irssi1.0.6-r0
alpine 3.20irssi1.0.6-r0
alpine 3.21irssi1.0.6-r0
alpine 3.22irssi1.0.6-r0
alpine 3.23irssi1.0.6-r0
alpine 3.24irssi1.0.6-r0
alpine 3.6irssi1.0.6-r0
alpine 3.7irssi1.0.6-r0
alpine 3.8irssi1.0.6-r0
alpine 3.9irssi1.0.6-r0
alpine edgeirssi1.0.6-r0
debian 11irssi1.0.7-1
debian 12irssi1.0.7-1
debian 13irssi1.0.7-1
debian 14irssi1.0.7-1
debian 7irssino fix listed
debian 8irssino fix listed
debian 9irssi1.0.7-1~deb9u1
echoirssi1.0.7-1
Red Hatirssino fix listed
Red Hatirssi-develno fix listed
ubuntu 14.04irssi0.8.15-5ubuntu3.4
ubuntu 16.04irssi0.8.19-1ubuntu1.6
ubuntu 16.04-ESMirssi0.8.19-1ubuntu1.6
ubuntu 17.04irssi0.8.20-2ubuntu2.3
ubuntu 17.10irssi1.0.4-1ubuntu2.2

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.