irssi: Out-of-bounds access while verifying that a Safe channel ID is long enough
Published Oct 22, 2017
7.5
HIGHCVSS 3.0
EPSS 1.99%
Description
In certain cases, Irssi before 1.0.5 may fail to verify that a Safe channel ID is long enough, causing reads beyond the end of the string.
Affected products
No data.
Configuration 2
- 7.0
- 8.0
- 9.0
No data.
Red Hat Enterprise Linux 6
irssi
Will not fix
Red Hat Enterprise Linux 7
irssi
Will not fix
| 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 |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/. Red Hat Enterprise Linux 5 is now in Extended Life Cycle phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Red Hat Enterprise Linux 6 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/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:N/S:U/C:N/I:N/A:H
AV:N/AC:M/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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01987) | 79.87th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.99% (0.01987) | 79.70th | 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 3, 2023 | 0.29% (0.00286) | 64.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00335) | 66.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | 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 | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://openwall.com/lists/oss-security/2017/10/22/4 x_refsource_CONFIRMMailing ListMitigationPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2017-15722 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1510956 Issue Tracking
- https://irssi.org/security/irssi_sa_2017_10.txt x_refsource_CONFIRMMitigationPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15722
- https://www.cve.org/CVERecord?id=CVE-2017-15722
- https://www.debian.org/security/2017/dsa-4016 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2017/10/22/4 | x_refsource_CONFIRMMailing ListMitigationPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2017-15722 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1510956 | Issue Tracking | |
| https://irssi.org/security/irssi_sa_2017_10.txt | x_refsource_CONFIRMMitigationPatchVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15722 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-15722 | ||
| https://www.debian.org/security/2017/dsa-4016 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.