CVE-2023-40359: Critical severity invisible-island xterm vulnerability
xterm before 380 supports ReGIS reporting for character-set names even if they have unexpected characters (i.e., neither alphanumeric nor underscore), aka a pointer/overflow issue. This can only occur for xterm installations that are configured at compile time to use a certain experimental feature.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
xtermto a version that resolves this vulnerability.Fixed in 380
Event History
Frequently Asked Questions
What is the severity of CVE-2023-40359?
CVE-2023-40359 is classified as a moderate severity vulnerability.
How do I fix CVE-2023-40359?
To fix CVE-2023-40359, update xterm to version 380 or later.
What issues are caused by CVE-2023-40359?
CVE-2023-40359 can lead to a pointer/overflow issue due to unexpected characters in ReGIS reporting.
Which versions of xterm are affected by CVE-2023-40359?
CVE-2023-40359 affects all xterm versions below 380.
What feature triggers the vulnerability in CVE-2023-40359?
The vulnerability in CVE-2023-40359 is triggered when xterm is configured at compile time to use a specific experimental feature.