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CVE-2025-69720: CWE-121 Stack-based Buffer Overflow in GNU ncurses

0
High
VulnerabilityCVE-2025-69720cvecve-2025-69720cwe-121
Published: Thu Mar 19 2026 (03/19/2026, 00:00:00 UTC)
Source: CVE Database V5
Vendor/Project: GNU
Product: ncurses

Description

The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/23/2026, 22:52:46 UTC

Technical Analysis

The vulnerability CVE-2025-69720 affects GNU ncurses's infocmp tool prior to version 6.5-20251213. It is a stack-based buffer overflow located in the analyze_string function in the source file progs/infocmp.c. The CVSS 3.1 score is 7.3, indicating high severity, with attack vector local, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality and integrity, and low impact on availability. No known exploits in the wild have been reported. The vulnerability could allow an attacker with local access to execute arbitrary code or cause memory corruption by providing crafted input to infocmp.

Potential Impact

Successful exploitation can lead to high confidentiality and integrity impact, potentially allowing arbitrary code execution or unauthorized data manipulation. The availability impact is low. The vulnerability requires local access and user interaction, limiting remote exploitation possibilities. No known exploits in the wild have been reported at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix link is provided, users should monitor GNU ncurses advisories for updates. Until a patch is available, avoid running infocmp with untrusted input or restrict access to trusted users only.

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Technical Details

Data Version
5.2
Assigner Short Name
mitre
Date Reserved
2026-01-09T00:00:00.000Z
Cvss Version
null
State
PUBLISHED

Threat ID: 69bc11b6e32a4fbe5fce0585

Added to database: 3/19/2026, 3:09:42 PM

Last enriched: 4/23/2026, 10:52:46 PM

Last updated: 5/2/2026, 10:20:30 PM

Views: 96

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