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CVE-2007-3642
The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and…
High7.8EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and before 2.6.22 allows remote attackers to cause a denial of service (crash) via an encoded, out-of-range index value for a choice field, which triggers a NULL pointer dereference.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.8% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (13)
- 27212 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25955 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-510-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-1356 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 24818 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2007-2466 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=25845b5155b55cd77e42655ec24161ba3feffa47 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37117 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 26450 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDKSA-2007:195 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2007-3642)Record last updated .