irssi: Unchecked input in unformat_24bit_color() can lead to crash
Published Sep 27, 2016
7.5
HIGHCVSS 3.0
EPSS 4.71%
Description
The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.
Affected products
No data.
Configuration 2
- 8.0
Configuration 3
- 16.04
No data.
Red Hat Enterprise Linux 6
irssi
Not affected
Red Hat Enterprise Linux 7
irssi
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | irssi | Not affected | n/a |
| Red Hat Enterprise Linux 7 | 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:L/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 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.71% (0.04707) | 91.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.62% (0.04618) | 90.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.93% (0.01934) | 82.18th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.08% (0.01083) | 84.95th | v3 (v2023.03.01) |
| Jun 17, 2024 | 1.08% (0.01083) | 84.37th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.77% (0.00769) | 80.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.77% (0.00769) | 78.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (8)
- http://www.debian.org/security/2016/dsa-3672 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.securitytracker.com/id/1036868 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-3086-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-7044 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1378343 Issue Tracking
- https://irssi.org/security/irssi_sa_2016.txt x_refsource_CONFIRMExploitPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-7044
- https://www.cve.org/CVERecord?id=CVE-2016-7044
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3672 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| http://www.securitytracker.com/id/1036868 | vdb-entryx_refsource_SECTRACK | |
| http://www.ubuntu.com/usn/USN-3086-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-7044 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1378343 | Issue Tracking | |
| https://irssi.org/security/irssi_sa_2016.txt | x_refsource_CONFIRMExploitPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-7044 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-7044 |
Change history (0)
No recorded changes yet.