The IPv6 protocol allows remote attackers to cause a denial of service via crafted IPv6…
Priority MEDIUM 42Published · 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 · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The IPv6 protocol allows remote attackers to cause a denial of service via crafted IPv6 type 0 route headers (IPV6_RTHDR_TYPE_0) that create network amplification between two routers.
Why it matters now
EPSS 0.05035 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:openbsd:openbsd:3.9:*:*:*:*:*:*:* | 3.9 | Running on | OpenBSD |
| cpe:2.3:o:openbsd:openbsd:4.0:*:*:*:*:*:*:* | 4.0 | Running on | OpenBSD |
| cpe:2.3:a:ietf:ipv6:*:*:*:*:*:*:*:* | all versions | Vulnerable | IETF |
| cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:* | 3.1 | Running on | NetBSD |
| cpe:2.3:o:netbsd:netbsd:3.1:rc3:*:*:*:*:*:* | 3.1 rc3 | Running on | NetBSD |
| cpe:2.3:o:freebsd:freebsd:6.2:*:*:*:*:*:*:* | 6.2 | Running on | FreeBSD |
| cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* | 6.2 stable | Running on | FreeBSD |
- cpe:2.3:o:openbsd:openbsd:3.9:*:*:*:*:*:*:* Versions 3.9 Running on ·OpenBSD
- cpe:2.3:o:openbsd:openbsd:4.0:*:*:*:*:*:*:* Versions 4.0 Running on ·OpenBSD
- cpe:2.3:a:ietf:ipv6:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·IETF
- cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:* Versions 3.1 Running on ·NetBSD
- cpe:2.3:o:netbsd:netbsd:3.1:rc3:*:*:*:*:*:* Versions 3.1 rc3 Running on ·NetBSD
- cpe:2.3:o:freebsd:freebsd:6.2:*:*:*:*:*:*:* Versions 6.2 Running on ·FreeBSD
- cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:* Versions 6.2 stable Running on ·FreeBSD
Remediation
Red Hat 1 advisory
- RHSA-2007:0347 Released 2007-05-16 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-8.1.4.el5, kernel-2.6.18-8.1.4.el5.ia64, kernel-PAE-2.6.18-8.1.4.el5 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-8.1.4.el5, kernel-PAE-2.6.18-8.1.4.el5, kernel-PAE-devel-2.6.18-8.1.4.el5 +6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2007:0347 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2007:0347 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-2242
- 2026-10-03 Alias added: GHSA-w3ph-xq76-6prc
References
Advisory 12
More IETF Ipv6 vulnerabilities
- TI-2016-08218 An issue was discovered in the IPv6 protocol specification, related to ICMP Packet Too… CVSS 3.0HIGH 8.6
- TI-2025-16831 IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface. CVSS 3.1MEDIUM 6.5
- TI-2025-16830 Improper verification of communication channel in IETF IPv6 CVSS 3.1MEDIUM 6.5
Sources
- CVE-2007-2242 · CVE Program
- CVE-2007-2242 · NVD
- FIRST EPSS
- GHSA-w3ph-xq76-6prc · GitHub Advisory Database · CC BY 4.0
- CVE-2007-2242 · 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