What’s Vulnerable › Vulnerabilities

CVE-2019-13045

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-29 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• Irssi: from 0.8.18 before 1.0.8; from 1.1.0 before 1.1.3; from 1.2.0 before 1.2.1 — fixed in 1.0.8, 1.1.3, 1.2.1

How to fix

Upgrade to a fixed version: Irssi 1.0.8, 1.1.3, 1.2.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00030.html
• http://packetstormsecurity.com/files/153480/Slackware-Security-Advisory-irssi-Updates.html
• http://www.openwall.com/lists/oss-security/2019/06/29/1
• http://www.securityfocus.com/bid/108998
• https://github.com/irssi/irssi/commit/d23b0d22cc611e43c88d99192a59f413f951a955
• https://irssi.org/security/irssi_sa_2019_06.txt
• https://seclists.org/bugtraq/2019/Jun/41
• https://usn.ubuntu.com/4046-1/
• http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00030.html
• http://packetstormsecurity.com/files/153480/Slackware-Security-Advisory-irssi-Updates.html

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