NULL pointer dereference in Irssi

CVE-2017-15723

In Irssi before 1.0.5, overlong nicks or targets may result in a NULL pointer dereference while splitting the message.

EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Irssi
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2017-15723?: CVE-2017-15723 is a high-severity vulnerability in Irssi, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-10-22.
How severe is CVE-2017-15723?: High severity. CVSS v3 base score is 7.5 out of 10.