irssi: use-after-free when SASL messages are received in unexpected order
Published Feb 15, 2018
9.8
CRITICALCVSS 3.0
EPSS 2.40%
Description
An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when SASL messages are received in an unexpected order.
Affected products
No data.
Configuration 2
- 9.0
Configuration 3
- 14.04
- 16.04
- 17.10
No data.
Red Hat Enterprise Linux 6
irssi
Not affected
Red Hat Enterprise Linux 7
irssi
Not affected
Red Hat Enterprise Linux 8
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 |
| Red Hat Enterprise Linux 8 | irssi | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Irssi as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for SASL.
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:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:P/I:P/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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.40% (0.02404) | 83.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.49% (0.02488) | 82.50th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.86% (0.00865) | 73.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.50% (0.02495) | 75.53th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.25% (0.00249) | 65.26th | v3 (v2023.03.01) |
| Mar 6, 2024 | 0.25% (0.00249) | 64.09th | v3 (v2023.03.01) |
| Sep 11, 2023 | 0.25% (0.00249) | 62.09th | v3 (v2023.03.01) |
| Aug 18, 2023 | 0.27% (0.00273) | 63.84th | v3 (v2023.03.01) |
| Jul 9, 2023 | 0.28% (0.00280) | 63.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00389) | 69.05th | 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-2018-7053 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1546226 Issue Tracking
- https://irssi.org/security/irssi_sa_2018_02.txt x_refsource_CONFIRMMitigationVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-7053
- https://usn.ubuntu.com/3590-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-7053
- 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-2018-7053 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1546226 | Issue Tracking | |
| https://irssi.org/security/irssi_sa_2018_02.txt | x_refsource_CONFIRMMitigationVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-7053 | ||
| https://usn.ubuntu.com/3590-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2018-7053 | ||
| https://www.debian.org/security/2018/dsa-4162 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.