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Fencer Vulns
critical 9.8

CVE-2019-5882 json

Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer.

published 2019-01-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-15453

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer.

Patch / fix

  • irssi irssi 1.1.2
  • irssi Debian 14, Debian 13, Debian 12 1.1.2-1

debian advisories DEBIAN-CVE-2019-5882

  • irssi Ubuntu 14.04 LTS 0.8.15-5ubuntu3.6
  • irssi Ubuntu 16.04 LTS 0.8.19-1ubuntu1.8
  • irssi Ubuntu 18.04 LTS 1.0.5-1ubuntu4.1

ubuntu advisories UBUNTU-CVE-2019-5882

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 15, Package Hub 12, openSUSE Leap 15.0 1.1.2-bp150.3.4.1

opensuse advisories openSUSE-SU-2024:10865-1openSUSE-SU-2019:0048-1

  • irssi Alpine 3.24, Alpine 3.23, Alpine 3.22 +14 more 1.1.2-r0

alpine advisories ALPINE-CVE-2019-5882

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 1.1.2-1

arch linux advisories AVG-847

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-2019-5882 updated cvss 3.7

irssi: Use-after-free when hidden lines were expired from the scroll buffer

  • Red Hat Enterprise Linux 8 irssi
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 6 irssi Red Hat Enterprise Linux 7 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

2.54% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 Vulns 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.