Vsftpd: vsftpd: denial of service via integer overflow in ls command parameter parsing
Priority LOW 30CWE-190Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 16 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00807 57th percentileScored 2026-11-07
Fix Partial Red Hat: 12 advisoriesRed Hat: 16 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | 3.0.5-10.el10_1.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — | 3.0.5-9.el10_0.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 3.0.3-36.el8_10.3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | 3.0.3-31.el8_2.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 3.0.3-33.el8_4.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — | 3.0.3-33.el8_4.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 3.0.3-35.el8_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | 3.0.3-35.el8_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | 3.0.3-35.el8_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — | 3.0.3-35.el8_8.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — | 3.0.3-35.el8_8.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 3.0.5-6.el9_7.2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | 3.0.3-49.el9_0.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | — | 3.0.5-4.el9_2.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | — | 3.0.5-5.el9_4.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — | 3.0.5-6.el9_6.1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 3.0.5-10.el10_1.1 Patch available CNA
- Red Hat Enterprise Linux 10.0 Extended Update Support VendorRed Hat Affected — Fixed in 3.0.5-9.el10_0.1 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 3.0.3-36.el8_10.3 Patch available CNA
- Red Hat Enterprise Linux 8.2 Advanced Update Support VendorRed Hat Affected — Fixed in 3.0.3-31.el8_2.1 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 3.0.3-33.el8_4.1 Patch available CNA
- Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On VendorRed Hat Affected — Fixed in 3.0.3-33.el8_4.1 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 3.0.3-35.el8_6.1 Patch available CNA
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service VendorRed Hat Affected — Fixed in 3.0.3-35.el8_6.1 Patch available CNA
- Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 3.0.3-35.el8_6.1 Patch available CNA
- Red Hat Enterprise Linux 8.8 Telecommunications Update Service VendorRed Hat Affected — Fixed in 3.0.3-35.el8_8.1 Patch available CNA
- Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 3.0.3-35.el8_8.1 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 3.0.5-6.el9_7.2 Patch available CNA
- Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 3.0.3-49.el9_0.1 Patch available CNA
- Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 3.0.5-4.el9_2.1 Patch available CNA
- Red Hat Enterprise Linux 9.4 Extended Update Support VendorRed Hat Affected — Fixed in 3.0.5-5.el9_4.1 Patch available CNA
- Red Hat Enterprise Linux 9.6 Extended Update Support VendorRed Hat Affected — Fixed in 3.0.5-6.el9_6.1 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/o:redhat:enterprise_linux:10.1 | 10.1 | — | Red Hat |
| cpe:/o:redhat:enterprise_linux_eus:10.0 | 10.0 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:8::appstream | 8 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.2::appstream | 8.2 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_eus_long_life:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_tus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.8::appstream | 8.8 | — | Red Hat |
- cpe:/o:redhat:enterprise_linux:10.1 Versions 10.1 — ·Red Hat
- cpe:/o:redhat:enterprise_linux_eus:10.0 Versions 10.0 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:8::appstream Versions 8 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.2::appstream Versions 8.2 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_eus_long_life:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_tus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.8::appstream Versions 8.8 — ·Red Hat
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:rhel_tus:8.8::appstream | 8.8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:9.0::appstream | 9.0 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:9.2::appstream | 9.2 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.4::appstream | 9.4 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:9.6::appstream | 9.6 | — | Red Hat |
| cpe:/o:redhat:rhel_els:6 | 6 | — | Red Hat |
| cpe:/o:redhat:rhel_els:7 | 7 | — | Red Hat |
- cpe:/a:redhat:rhel_tus:8.8::appstream Versions 8.8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:9.0::appstream Versions 9.0 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:9.2::appstream Versions 9.2 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.4::appstream Versions 9.4 — ·Red Hat
- cpe:/a:redhat:rhel_eus:9.6::appstream Versions 9.6 — ·Red Hat
- cpe:/o:redhat:rhel_els:6 Versions 6 — ·Red Hat
- cpe:/o:redhat:rhel_els:7 Versions 7 — ·Red Hat
Remediation
Red Hat 12 advisories
- RHSA-2026:4554 Released 2026-03-16 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream E4S (v.8.8) vsftpd-3.0.3-35.el8_8.1
- Red Hat Enterprise Linux AppStream TUS (v.8.8) vsftpd-3.0.3-35.el8_8.1
- RHSA-2026:4553 Released 2026-03-16 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) vsftpd-3.0.5-9.el10_0.1
- RHSA-2026:4550 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) vsftpd-3.0.3-35.el8_6.1
- Red Hat Enterprise Linux AppStream E4S (v.8.6) vsftpd-3.0.3-35.el8_6.1
- Red Hat Enterprise Linux AppStream TUS (v.8.6) vsftpd-3.0.3-35.el8_6.1
Show 9 more Red Hat advisories
- RHSA-2026:4543 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) vsftpd-3.0.3-49.el9_0.1
- RHSA-2026:4525 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) vsftpd-3.0.5-5.el9_4.1
- RHSA-2026:4522 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) vsftpd-3.0.5-4.el9_2.1
- RHSA-2026:4513 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) vsftpd-3.0.5-6.el9_6.1
- RHSA-2026:4477 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) vsftpd-3.0.3-33.el8_4.1
- Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) vsftpd-3.0.3-33.el8_4.1
- RHSA-2026:4470 Released 2026-03-12 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) vsftpd-3.0.3-31.el8_2.1
- RHSA-2026:0606 Released 2026-01-14 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream (v. 10) vsftpd-3.0.5-10.el10_1.1
- RHSA-2026:0605 Released 2026-01-14 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream (v. 9) vsftpd-3.0.5-6.el9_7.2
- RHSA-2026:0608 Released 2026-01-14 · Red Hat rating Moderatevsftpd security update
- Red Hat Enterprise Linux AppStream (v. 8) vsftpd-3.0.3-36.el8_10.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:0606 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2026:0608 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:0605 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2026:4470 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2026:4477 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2026:4550 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2026:4550 |
| Red Hat Enterprise Linux AppStream E4S (v.8.8) | Fixed | RHSA-2026:4554 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2026:4543 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:4522 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:4553 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:4525 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:4513 |
| Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) | Fixed | RHSA-2026:4477 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2026:4550 |
| Red Hat Enterprise Linux AppStream TUS (v.8.8) | Fixed | RHSA-2026:4554 |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14242
- 2026-10-03 Alias added: GHSA-6v4g-392h-r9mh
References
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Sources
- CVE-2025-14242 · CVE Program
- CVE-2025-14242 · NVD
- FIRST EPSS
- GHSA-6v4g-392h-r9mh · GitHub Advisory Database · CC BY 4.0
- CVE-2025-14242 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences