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Fencer Vulns
high 7.5

CVE-2017-9469 json

In Irssi before 1.0.3, when receiving certain incorrectly quoted DCC files, it tries to find the terminating quote one byte before the allo…

published 2017-06-07 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18401

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

In Irssi before 1.0.3, when receiving certain incorrectly quoted DCC files, it tries to find the terminating quote one byte before the allocated memory. Thus, remote attackers might be able to cause a crash.

Patch / fix

  • irssi Debian 14, Debian 13, Debian 12 1.0.3-1

debian advisories DEBIAN-CVE-2017-9469

  • irssi Ubuntu 14.04 LTS 0.8.15-5ubuntu3.2
  • irssi Ubuntu 16.04 LTS 0.8.19-1ubuntu1.4

ubuntu advisories UBUNTU-CVE-2017-9469

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 1.0.3-25.1

opensuse advisories openSUSE-SU-2024:10865-1openSUSE-SU-2017:1505-1openSUSE-SU-2017:1515-1

  • irssi Alpine 3.24, Alpine 3.23, Alpine 3.22 +16 more 1.0.3-r0

alpine advisories ALPINE-CVE-2017-9469

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 1.0.3-1

arch linux advisories AVG-293

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-2017-9469 updated cvss 3.7

irssi: Invalid read when receiving certain incorrectly quoted DCC files

  • Red Hat Enterprise Linux 6 irssi Red Hat Enterprise Linux 7 irssi
    affected: no fix planned “Will not fix”

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

6.08% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.