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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.

PUBLISHED Reserved 2025-12-08 | Published 2026-01-14 | Updated 2026-01-26 | Assigner redhat




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

Integer Overflow or Wraparound

Product status

Default status
affected

0:3.0.5-10.el10_1.1 (rpm) before *
unaffected

Default status
affected

0:3.0.3-36.el8_10.3 (rpm) before *
unaffected

Default status
affected

0:3.0.5-6.el9_7.2 (rpm) before *
unaffected

Default status
unknown

Default status
unknown

Timeline

2025-12-08:Reported to Red Hat.
2026-01-14:Made public.

Credits

Red Hat would like to thank Sankin Nikita Alexeevich for reporting this issue.

References

access.redhat.com/errata/RHSA-2026:0605 (RHSA-2026:0605) vendor-advisory

access.redhat.com/errata/RHSA-2026:0606 (RHSA-2026:0606) vendor-advisory

access.redhat.com/errata/RHSA-2026:0608 (RHSA-2026:0608) vendor-advisory

access.redhat.com/security/cve/CVE-2025-14242 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2419826 (RHBZ#2419826) issue-tracking

cve.org (CVE-2025-14242)

nvd.nist.gov (CVE-2025-14242)

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