CVE-2025-69720
ncurses: ncurses: Buffer overflow vulnerability may lead to arbitrary code execution.
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 19, 2026
Updated · October 16, 2026
Description
A flaw was found in ncurses. This vulnerability, a buffer overflow, exists within the analyze_string() function. An attacker could potentially exploit this to execute unauthorized code on the affected system, which might lead to a denial of service in the affected application, the corruption of data, or sensitive information being revealed to an attacker.
Statement
This Moderate impact vulnerability in ncurses affects Red Hat Enterprise Linux 10.0.z and 10.1.z. A buffer overflow in the analyze_string() function, exploitable through the infocmp utility, could lead to arbitrary code execution. Red Hat Enterprise Linux 6-ELS, 7-ELS, 8.x, 9.x, and OpenShift Container Platform are not affected as the vulnerable code is not present in these versions. Exploitation of this vulnerability requires that an affected application processes malicious data; this requires either user interaction or privileges on an affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')