CVE-2017-15227: Use After Free
Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/irssito a version that resolves this vulnerability.Fixed in 1.2.0-2+deb10u1Fixed in 1.2.3-1Fixed in 1.4.3-2Fixed in 1.4.5-1 - Upgrade
Upgrade
alpine/irssito a version that resolves this vulnerability.Fixed in 1.0.5-r0 - Upgrade
Upgrade
alpine/irssito a version that resolves this vulnerability.Fixed in 1.0.6-r0 - Upgrade
Upgrade
Irssito a version that resolves this vulnerability.Fixed in 1.0.5
Event History
Frequently Asked Questions
What is the severity of CVE-2017-15227?
CVE-2017-15227 has a medium severity rating due to the potential for use-after-free vulnerabilities.
How do I fix CVE-2017-15227?
To fix CVE-2017-15227, you should update Irssi to version 1.0.5 or later.
What versions of Irssi are affected by CVE-2017-15227?
Irssi versions prior to 1.0.5 are affected by CVE-2017-15227.
Can CVE-2017-15227 lead to security issues?
Yes, CVE-2017-15227 can lead to security issues such as arbitrary code execution under certain circumstances.
What systems are impacted by CVE-2017-15227?
CVE-2017-15227 impacts systems running affected versions of the Irssi software.