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Vulnerabilities / CVE-2017-10966

critical

CVE-2017-10966

irssi: Use-after-free while updating the internal nick list

Published Modified CWE 416
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 Hat4.8CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

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

Description

An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick while updating it. This would then result in use-after-free conditions on each access of the hash table.

Affected packages and fixed versions

SourcePackageFixed in
alpine 3.10irssi1.0.4-r0
alpine 3.11irssi1.0.4-r0
alpine 3.12irssi1.0.4-r0
alpine 3.13irssi1.0.4-r0
alpine 3.14irssi1.0.4-r0
alpine 3.15irssi1.0.4-r0
alpine 3.16irssi1.0.4-r0
alpine 3.17irssi1.0.4-r0
alpine 3.18irssi1.0.4-r0
alpine 3.19irssi1.0.4-r0
alpine 3.20irssi1.0.4-r0
alpine 3.21irssi1.0.4-r0
Show all 37 entries from 36 sources
SourcePackageFixed in
alpine 3.10irssi1.0.4-r0
alpine 3.11irssi1.0.4-r0
alpine 3.12irssi1.0.4-r0
alpine 3.13irssi1.0.4-r0
alpine 3.14irssi1.0.4-r0
alpine 3.15irssi1.0.4-r0
alpine 3.16irssi1.0.4-r0
alpine 3.17irssi1.0.4-r0
alpine 3.18irssi1.0.4-r0
alpine 3.19irssi1.0.4-r0
alpine 3.20irssi1.0.4-r0
alpine 3.21irssi1.0.4-r0
alpine 3.22irssi1.0.4-r0
alpine 3.23irssi1.0.4-r0
alpine 3.24irssi1.0.4-r0
alpine 3.3irssi0.8.21.r2
alpine 3.4irssi0.8.21.r2
alpine 3.5irssi0.8.21.r2
alpine 3.6irssi1.0.4.-r0
alpine 3.7irssi1.0.4-r0
alpine 3.8irssi1.0.4-r0
alpine 3.9irssi1.0.4-r0
alpine edgeirssi1.0.4-r0
debian 11irssi1.0.4-1
debian 12irssi1.0.4-1
debian 13irssi1.0.4-1
debian 14irssi1.0.4-1
debian 7irssi0.8.15-5+deb7u3
debian 8irssi0.8.17-1+deb8u5
debian 9irssi1.0.2-1+deb9u2
echoirssi1.0.4-1
Red Hatirssino fix listed
Red Hatirssi-develno fix listed
ubuntu 14.04irssi0.8.15-5ubuntu3.3
ubuntu 16.04irssi0.8.19-1ubuntu1.5
ubuntu 16.04-ESMirssi0.8.19-1ubuntu1.5
ubuntu 17.04irssi0.8.20-2ubuntu2.2

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.