CVE-2017-15721
7.5
HIGH
CVSS 3.1
EPSS 0.60%
Description
In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
How to fix CVE-2017-15721
To remediate CVE-2017-15721, upgrade the affected package to a fixed version below.
- Alpine/irssi—upgrade to 1.0.5-r0 or later
- Debian/irssi—upgrade to 1.0.5-1 or later
Is CVE-2017-15721 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.0.5-r0
- from 0, < 1.0.5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |