Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP. (CVE-2019-15717)

This is new version of irssi fixing CVE-2019-15717.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

It was discovered that Irssi incorrectly handled certain CAP requests.
An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
405020	Alpine: multiple irssi packages: security update to 1.2.2-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
405020	Alpine: multiple irssi packages: security update to 1.2.2-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
129650	Fedora 31 : irssi (2019-d2257607b8)	Nessus	Fedora Local Security Checks	critical
128505	Ubuntu 19.04 : irssi vulnerability (USN-4119-1)	Nessus	Ubuntu Local Security Checks	critical

Detections

Analytics

CVE-2019-15717

critical

Tenable Plugins

critical

critical

critical

critical