Irssi before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, when SASL is enabled, has…
Priority MEDIUM 41CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
Irssi before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, when SASL is enabled, has a use after free when sending SASL login to the server.
Why it matters now
EPSS 0.03361 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:* | 0.8.18 to before 1.0.8; 1.1.0 to before 1.1.3; 1.2.0 to before 1.2.1 | Vulnerable | Irssi |
- cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:* Versions 0.8.18 to before 1.0.8; 1.1.0 to before 1.1.3; 1.2.0 to before 1.2.1 Vulnerable ·Irssi
Remediation
Red Hat 1 advisory
- RHSA-2020:1616 Released 2020-04-28 · Red Hat rating Lowirssi security update
- Red Hat CodeReady Linux Builder (v. 8) irssi-devel-1.1.1-3.el8
- Red Hat Enterprise Linux AppStream (v. 8) irssi-1.1.1-3.el8
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2020:1616 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2020:1616 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13045
- 2026-10-03 Alias added: GHSA-pwrg-h5j6-7f43
References
Advisory 7
- https://irssi.org/security/irssi_sa_2019_06.txt
- [oss-security] 20190629 Irssi 1.2.1/1.1.3/1.0.8: CVE-2019-13045
- 20190630 [slackware-security] irssi (SSA:2019-180-01)
- http://packetstormsecurity.com/files/153480/Slackware-Security-Advisory-irssi-Updates.html
- openSUSE-SU-2019:1690
- USN-4046-1
- openSUSE-SU-2019:1894
More Irssi vulnerabilities
- TI-2017-08049 An issue was discovered in Irssi before 1.0.4. CVSS 3.0CRITICAL 9.8
- TI-2017-04886 The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of… CVSS 3.0CRITICAL 9.8
- TI-2002-01759 irssi IRC client 0.8.4, when downloaded after 14-March-2002, could contain a backdoor in… CVSS 2.0HIGH 10.0
- TI-2019-11799 Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP. CVSS 3.0CRITICAL 9.8
- TI-2019-04193 Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer. CVSS 3.0CRITICAL 9.8
- TI-2018-05119 An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. CVSS 3.0CRITICAL 9.8
Sources
- CVE-2019-13045 · CVE Program
- CVE-2019-13045 · NVD
- FIRST EPSS
- GHSA-pwrg-h5j6-7f43 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-13045 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences