CVE-2017-15227: Use After Free
First published: Sun Oct 22 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/irssi | 1.2.0-2+deb10u1 1.2.3-1 1.4.3-2 1.4.5-1 | |
| Irssi | <=1.0.4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://irssi.org/security/irssi_sa_2017_10.txt
- https://github.com/irssi/irssi/commit/43e44d553d44e313003cee87e6ea5e24d68b84a1
- https://security-tracker.debian.org/tracker/CVE-2017-15227
- http://openwall.com/lists/oss-security/2017/10/22/4
- https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html
- https://www.debian.org/security/2017/dsa-4016
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.
- collector/security-tracker-debian
- agent/type
- agent/remedy
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/last-modified-date
- agent/severity
- agent/references
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/irssi
- canonical/irssi
- version/irssi/1.0.4