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Vulnerability · Published Jan 14, 2026 · Assigned by redhat

CVE-2025-14242Vsftpd: vsftpd: denial of service via integer overflow in ls command parameter parsing

Medium 6.5

In plain English

A medium-severity integer overflow in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10vsftpd3.0.5-10.el10_1.1ALSA-2026:0606
AlmaLinux:8vsftpd3.0.3-36.el8_10.3ALSA-2026:0608
AlmaLinux:9vsftpd3.0.5-6.el9_7.2ALSA-2026:0605
Debian:12vsftpdno fix listedDEBIAN-CVE-2025-14242
Debian:13vsftpdno fix listedDEBIAN-CVE-2025-14242
Debian:14vsftpdno fix listedDEBIAN-CVE-2025-14242
Rocky Linux:10vsftpd0:3.0.5-10.el10_1.1RLSA-2026:0606
Rocky Linux:8vsftpd0:3.0.3-36.el8_10.3RLSA-2026:0608
Rocky Linux:9vsftpd0:3.0.5-6.el9_7.2RLSA-2026:0605

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On see references
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References