Vsftpd: vsftpd: denial of service via integer overflow in ls command parameter parsing

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2025-14242
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-14 16:15:55 UTC
Updated2026-06-30 00:16:53 UTC
DescriptionA flaw was found in vsftpd. This vulnerability allows a denial of service (DoS) via an integer overflow in the ls command parameter parsing, triggered by a remote, authenticated attacker sending a crafted STAT command with a specific byte sequence.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.007370000 probability, percentile 0.499440000 (date 2026-07-01)

Problem Types: CWE-190 | CWE-190 Integer Overflow or Wraparound

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Enterprise Linux 10 unaffected 0:3.0.5-10.el10_1.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support unaffected 0:3.0.5-9.el10_0.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 0:3.0.3-36.el8_10.3 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support unaffected 0:3.0.3-31.el8_2.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support unaffected 0:3.0.3-33.el8_4.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On unaffected 0:3.0.3-33.el8_4.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support unaffected 0:3.0.3-35.el8_6.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service unaffected 0:3.0.3-35.el8_6.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.6 Update Services For SAP Solutions unaffected 0:3.0.3-35.el8_6.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service unaffected 0:3.0.3-35.el8_8.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8.8 Update Services For SAP Solutions unaffected 0:3.0.3-35.el8_8.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:3.0.5-6.el9_7.2 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.0 Update Services For SAP Solutions unaffected 0:3.0.3-49.el9_0.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.2 Update Services For SAP Solutions unaffected 0:3.0.5-4.el9_2.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support unaffected 0:3.0.5-5.el9_4.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support unaffected 0:3.0.5-6.el9_6.1 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 6 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 7 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:4470 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4525 [email protected] access.redhat.com
access.redhat.com/security/cve/CVE-2025-14242 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4543 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:0608 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4550 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:0606 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:0605 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4553 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4554 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4513 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4477 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2026:4522 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Sankin Nikita Alexeevich for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-12-08T03:41:36.292ZReported to Red Hat.
CNA2026-01-14T00:00:00.000ZMade public.

Workarounds

CNA: 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.

© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report