Double free vulnerability in the ftpprchild function in ftppr in 3proxy 0.5 through…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Double free vulnerability in the ftpprchild function in ftppr in 3proxy 0.5 through 0.5.3i allows remote attackers to cause a denial of service (daemon crash) via multiple OPEN commands to the FTP proxy.
Why it matters now
EPSS 0.02079 81st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:3proxy:3proxy:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | 3proxy |
| cpe:2.3:a:3proxy:3proxy:0.5.1:*:*:*:*:*:*:* | 0.5.1 | Vulnerable | 3proxy |
| cpe:2.3:a:3proxy:3proxy:0.5.2:*:*:*:*:*:*:* | 0.5.2 | Vulnerable | 3proxy |
| cpe:2.3:a:3proxy:3proxy:0.5.3g:*:*:*:*:*:*:* | 0.5.3g | Vulnerable | 3proxy |
| cpe:2.3:a:3proxy:3proxy:0.5.3h:*:*:*:*:*:*:* | 0.5.3h | Vulnerable | 3proxy |
| cpe:2.3:a:3proxy:3proxy:0.5.3i:*:*:*:*:*:*:* | 0.5.3i | Vulnerable | 3proxy |
- cpe:2.3:a:3proxy:3proxy:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·3proxy
- cpe:2.3:a:3proxy:3proxy:0.5.1:*:*:*:*:*:*:* Versions 0.5.1 Vulnerable ·3proxy
- cpe:2.3:a:3proxy:3proxy:0.5.2:*:*:*:*:*:*:* Versions 0.5.2 Vulnerable ·3proxy
- cpe:2.3:a:3proxy:3proxy:0.5.3g:*:*:*:*:*:*:* Versions 0.5.3g Vulnerable ·3proxy
- cpe:2.3:a:3proxy:3proxy:0.5.3h:*:*:*:*:*:*:* Versions 0.5.3h Vulnerable ·3proxy
- cpe:2.3:a:3proxy:3proxy:0.5.3i:*:*:*:*:*:*:* Versions 0.5.3i Vulnerable ·3proxy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-5622
- 2026-10-03 Alias added: GHSA-hh4m-7c6g-g8m7
References
More 3proxy vulnerabilities
- TI-2007-01953 Buffer overflow in the HTTP proxy service for 3proxy 0.5 to 0.5.3g, and 0.6b-devel before… CVSS 2.0HIGH 10.0
- TI-2019-10808 webadmin.c in 3proxy before 0.8.13 has an out-of-bounds write in the admin interface. CVSS 3.1CRITICAL 9.8
- TI-2006-06723 3proxy 0.5 to 0.5.2, when NT-encoded passwords are being used, allows remote attackers to… CVSS 2.0MEDIUM 5.0
- TI-2006-06724 3proxy 0.5 to 0.5.2 does not offer NTLM authentication before basic authentication, which… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2007-5622 · CVE Program
- CVE-2007-5622 · NVD
- FIRST EPSS
- GHSA-hh4m-7c6g-g8m7 · GitHub Advisory Database · CC BY 4.0
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