irssi: Null pointer dereference when an "empty" nick joins a channel
Published Feb 15, 2018
7.5
HIGHCVSS 3.0
EPSS 2.31%
Description
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
Affected products
No data.
Configuration 2
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 6
irssi
Will not fix
Red Hat Enterprise Linux 7
irssi
Will not fix
Red Hat Enterprise Linux 8
irssi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | irssi | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | irssi | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | irssi | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.31% (0.02307) | 82.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.39% (0.02388) | 81.71th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.29% (0.00286) | 69.09th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.29% (0.00286) | 67.92th | v3 (v2023.03.01) |
| Sep 11, 2023 | 0.29% (0.00286) | 64.83th | v3 (v2023.03.01) |
| Jul 9, 2023 | 0.31% (0.00313) | 66.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00441) | 70.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://openwall.com/lists/oss-security/2018/02/15/1 x_refsource_CONFIRMMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-7050 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1546280 Issue Tracking
- https://irssi.org/security/irssi_sa_2018_02.txt x_refsource_CONFIRMMitigationVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-7050
- https://usn.ubuntu.com/3590-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-7050
- https://www.debian.org/security/2018/dsa-4162 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2018/02/15/1 | x_refsource_CONFIRMMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2018-7050 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1546280 | Issue Tracking | |
| https://irssi.org/security/irssi_sa_2018_02.txt | x_refsource_CONFIRMMitigationVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-7050 | ||
| https://usn.ubuntu.com/3590-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-7050 | ||
| https://www.debian.org/security/2018/dsa-4162 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.