Use After Free in Irssi
CVE-2017-15227
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.
Vulnerability class: Use-After-Free
EPSS: 0.021 (79.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Irssi
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Mailing List, Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2017-15227?
- CVE-2017-15227 is a high-severity vulnerability in Irssi, classified under Use After Free. CVSS score: 7.5/10. Published 2017-10-22.
- How severe is CVE-2017-15227?
- High severity. CVSS v3 base score is 7.5 out of 10.