CVE-2025-69720: The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_stri

Q: How do I fix CVE-2025-69720?

ncurses: upgrade to newer than 6.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-69720 being exploited?

CVE-2025-69720 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-69720 affect?

CVE-2025-69720 affects ncurses. Severity is high (CVSS 7.3). The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.

Q: How urgent is CVE-2025-69720?

Priority 41/100. High severity; Public exploit reference

This month

HIGH 7.3UPGRADE

CVE-2025-69720 is a high-severity flaw (CVSS 7.3) affecting ncurses. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-121, CWE-120
Published	2026-03-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: invisible-island

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-19 15:16 UTCPublished CVE record published
2026-06-17 10:00 UTCUpdated Record last modified

invisible-island ncurses UPGRADE

Affected: <= 6.4 · 6.5 20240427 · 6.5 20240504 · 6.5 20240511 · 6.5 20240518 · 6.5 20240519 · 6.5 20240525 · 6.5 20240601

Fixed in: newer than 6.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ncurses || rpm -q ncurses || ncurses --version

2. UPGRADE to newer than 6.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ncurses

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ncurses

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-69720?

ncurses: upgrade to newer than 6.4. Exact commands for each OS are on this page.

Is CVE-2025-69720 being exploited?

CVE-2025-69720 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-69720 affect?

CVE-2025-69720 affects ncurses. Severity is high (CVSS 7.3). The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.

How urgent is CVE-2025-69720?

Priority 41/100. High severity; Public exploit reference

References

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