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CVE-2018-7050

25
FAUCET Score

CVE-2018-7050 describes a NULL pointer dereference vulnerability in Irssi versions prior to 1.0.7 and 1.1.1, triggered by an "empty" nickname. This flaw affects various distributions including Canonical Ubuntu and Debian Linux, as well as the Irssi application itself. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely with low attack complexity, leading to a denial of service. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.7CPE matchmatch criteria
cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:irssi:irssi:1.1.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 67th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: irssi
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: irssi

Vendor Advisories (1)

redhatCVE-2018-7050Low

irssi: Null pointer dereference when an "empty" nick joins a channel

Feb 13, 2018

References

openwall.com / lists/oss-security/2018/02/15/1
Mailing ListThird Party Advisory
irssi.org / security/irssi_sa_2018_02.txt
MitigationVendor Advisory
usn.ubuntu.com / 3590-1
Third Party Advisory
debian.org / security/2018/dsa-4162
Third Party Advisory