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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 3mo 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, 2026-11-13).

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Additional CPE mappings.