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Fencer Intel
critical 9.8

CVE-2025-69720 json

ncurses v6.5 and v6.4 are vulnerable to Buffer Overflow in progs/infocmp.c, function...

published 7mo ago modified 2mo ago also EUVD-2025-208879 , GHSA-9952-mrqj-h4jh , JLSEC-2026-1242

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

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

Patch / fix

  • julia Ncurses_jll 6.6.0+0
  • GNU ncurses 6.5-20251213
  • Siemens RUGGEDCOM RST2428P V4.0
  • ncurses Debian 14 6.6+20251231-1

debian advisories DEBIAN-CVE-2025-69720

  • ncurses Ubuntu 22.04 LTS 6.3-2ubuntu0.2
  • ncurses Ubuntu 24.04 LTS 6.4+20240113-1ubuntu2.1
  • ncurses Ubuntu 25.10 6.5+20250216-2ubuntu0.1
  • ncurses Ubuntu Pro 14.04 LTS 5.9+20140118-1ubuntu1+esm6
  • ncurses Ubuntu Pro 16.04 LTS 6.0+20160213-1ubuntu1+esm6
  • ncurses Ubuntu Pro 18.04 LTS 6.1-1ubuntu1.18.04.1+esm3
  • ncurses Ubuntu Pro 20.04 LTS 6.2-0ubuntu2.1+esm1

ubuntu advisories UBUNTU-CVE-2025-69720

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ncurses hummingbird 1 6.6-1.1.hum1
  • ncurses-base hummingbird 1 6.6-1.1.hum1
  • ncurses-libs hummingbird 1 6.6-1.1.hum1
  • ncurses-term hummingbird 1 6.6-1.1.hum1
  • ncurses-c++-libs hummingbird 1 6.6-1.1.hum1
  • ncurses-compat-libs hummingbird 1 6.6-1.1.hum1
  • ncurses RHEL 10.1 6.4-15.20240127.el10_1
  • ncurses-base RHEL 10.1 6.4-15.20240127.el10_1

red hat advisories RHSA-2026:26357RHSA-2026:7263RHSA-2026:5913

  • ncurses SLES 16.0, Linux Micro 6.2, SLES for SAP applications 16.0 6.5.20250531-160000.3.1
  • ncurses Linux Micro 6.0 6.4.20240224-11.1
  • ncurses Linux Micro 6.1 6.4.20240224-slfo.1.1_2.1
  • ncurses SLE Module for Legacy 15 SP7, SLE Module for Development Tools 15 SP7, SLE Module for Basesystem 15 SP7 +4 more 6.1-150000.5.33.1
  • ncurses SLES LTSS Extended Security 12 SP5 5.9-91.1

suse advisories SUSE-SU-2026:22228-1SUSE-SU-2026:22294-1SUSE-SU-2026:21247-1SUSE-SU-2026:21261-1SUSE-SU-2026:1510-1SUSE-SU-2026:1499-1

  • ncurses openSUSE Leap 16.0 6.5.20250531-160000.3.1

opensuse advisories openSUSE-SU-2026:20992-1

  • ncurses-base AlmaLinux 10 6.4-15.20240127.el10_1
  • ncurses-term AlmaLinux 10 6.4-15.20240127.el10_1

almalinux advisories ALSA-2026:5913

  • ncurses Rocky Linux 10 6.4-15.20240127.el10_1

rocky linux advisories RLSA-2026:5913

  • ncurses Azure Linux 3.0 6.4-3

azure linux advisories AZL-80469

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2025-69720 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-69720 updated cvss 7.8

ncurses: ncurses: Buffer overflow vulnerability may lead to arbitrary code execution.

  • Red Hat Enterprise Linux AppStream (v. 10) ncurses-term 6.4-15.20240127.el10_1, ncurses-c++-libs 6.4-15.20240127.el10_1
    fixed: vendor fix RHSA-2026:5913
  • Red Hat Enterprise Linux AppStream EUS (v. 10.0) ncurses-term 6.4-14.20240127.el10_0.1, ncurses-c++-libs 6.4-14.20240127.el10_0.1
    fixed: vendor fix RHSA-2026:26357
  • Red Hat Enterprise Linux BaseOS (v. 10) ncurses 6.4-15.20240127.el10_1, ncurses-base 6.4-15.20240127.el10_1, ncurses-libs 6.4-15.20240127.el10_1
    fixed: vendor fix RHSA-2026:5913
  • Red Hat Enterprise Linux BaseOS EUS (v. 10.0) ncurses 6.4-14.20240127.el10_0.1, ncurses-base 6.4-14.20240127.el10_0.1, ncurses-libs 6.4-14.20240127.el10_0.1
    fixed: vendor fix RHSA-2026:26357
  • Red Hat Hardened Images ncurses 6.6-1.1.hum1, ncurses-base 6.6-1.1.hum1, ncurses-libs 6.6-1.1.hum1, ncurses-term 6.6-1.1.hum1, ncurses-c++-libs 6.6-1.1.hum1, ncurses-compat-libs 6.6-1.1.hum1
    fixed: vendor fix RHSA-2026:7263
  • Red Hat Enterprise Linux 6 ncurses, ncurses-base, ncurses-libs, ncurses-term Red Hat Enterprise Linux 7 ncurses, ncurses-base, ncurses-libs, ncurses-term Red Hat Enterprise Linux 8 ncurses, ncurses-base, ncurses-libs, ncurses-term, ncurses-c++-libs, ncurses-compat-libs Red Hat Enterprise Linux 9 ncurses, ncurses-base, ncurses-libs, ncurses-term, ncurses-c++-libs Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
7mo ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Cao-Wuhui/CVE-2025-69720 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
julia Ncurses_jll
<6.6.0+0
6.6.0+0

Affected products

  • GNU ncurses
  • Siemens RUGGEDCOM RST2428P

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.