CVE-2007-1497
MEDIUM · CVSS 5.0EPSS 3.1%EU EUVD
nf_conntrack in netfilter in the Linux kernel before 2.6.20.3 does not set nfctinfo during reassembly of fragmented packets, which leaves the default value as IP_CT_ESTABLISHED and might allow remote attackers to bypass certain rulesets using IPv6 fragments.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- EPSS score
- 3.1% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-1491)
- Published
- March 16, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-1491 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- http://secunia.com/advisories/24492(Patch, Vendor Advisory)
- http://secunia.com/advisories/25228
- http://secunia.com/advisories/25288
- http://secunia.com/advisories/25392
- http://secunia.com/advisories/25961
- http://secunia.com/advisories/26620
- http://www.debian.org/security/2007/dsa-1289
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:196
- http://www.novell.com/linux/security/advisories/2007_43_kernel.html
- http://www.osvdb.org/33028
- http://www.redhat.com/support/errata/RHSA-2007-0347.html
- http://www.securityfocus.com/bid/23976
- http://www.ubuntu.com/usn/usn-464-1
- http://www.vupen.com/english/advisories/2007/0944
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10457
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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