FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain…
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP options via a TCP packet with the SYN flag set for an already established session.
Why it matters now
EPSS 0.01081 65th 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 · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:* | 4.1.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:* | 4.3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:* | 4.4 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.5:*:*:*:*:*:*:* | 4.5 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:* | 4.6 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.6.2:*:*:*:*:*:*:* | 4.6.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:* Versions 4.3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:* Versions 4.4 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.5:*:*:*:*:*:*:* Versions 4.5 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:* Versions 4.6 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·FreeBSD
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:4.8:*:*:*:*:*:*:* | 4.8 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.9:*:*:*:*:*:*:* | 4.9 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.10:*:*:*:*:*:*:* | 4.10 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:4.11:*:*:*:*:*:*:* | 4.11 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.1:*:*:*:*:*:*:* | 5.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.2:*:*:*:*:*:*:* | 5.2 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.2.1:*:*:*:*:*:*:* | 5.2.1 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:* | 5.3 | Vulnerable | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:5.4:*:*:*:*:*:*:* | 5.4 | Vulnerable | FreeBSD |
- cpe:2.3:o:freebsd:freebsd:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.9:*:*:*:*:*:*:* Versions 4.9 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.10:*:*:*:*:*:*:* Versions 4.10 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:4.11:*:*:*:*:*:*:* Versions 4.11 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.2.1:*:*:*:*:*:*:* Versions 5.2.1 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:* Versions 5.3 Vulnerable ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:5.4:*:*:*:*:*:*:* Versions 5.4 Vulnerable ·FreeBSD
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-2068
- 2026-10-03 Alias added: GHSA-4758-ghm6-m66x
References
—
More Freebsd vulnerabilities
- TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
- TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
- TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
Sources
- CVE-2005-2068 · CVE Program
- CVE-2005-2068 · NVD
- FIRST EPSS
- GHSA-4758-ghm6-m66x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences