CVE-2017-10966: Use After Free
An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick while updating it. This would then result in use-after-free conditions on each access of the hash table.
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 1.0.4-r0 - Upgrade
Upgrade
alpine/irssito a version that resolves this vulnerability.Fixed in 0.8.21.r2 - Upgrade
Upgrade
Irssito a version that resolves this vulnerability.Fixed in 1.0.4
Event History
Frequently Asked Questions
What is the severity of CVE-2017-10966?
CVE-2017-10966 is considered a high severity vulnerability due to the possible use-after-free conditions that can lead to crashes or malicious exploitation.
How do I fix CVE-2017-10966?
To mitigate CVE-2017-10966, upgrade to Irssi version 1.0.4 or later.
What systems are affected by CVE-2017-10966?
CVE-2017-10966 affects all versions of Irssi prior to 1.0.4.
What type of vulnerability is CVE-2017-10966 classified as?
CVE-2017-10966 is classified as a use-after-free vulnerability.
Is CVE-2017-10966 related to any specific functionality in Irssi?
Yes, CVE-2017-10966 relates to issues in updating the internal nick list within Irssi.