Firefox 1.5.0.7 and 2.0, and Seamonkey 1.1b, allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMENT_TYPE_NODE), then calling createContextualFragment on the range, which triggers a null dereference
Published Oct 31, 2006
5.0
MEDIUMCVSS 2.0
EPSS 7.47%
Description
Firefox 1.5.0.7 and 2.0, and Seamonkey 1.1b, allows remote attackers to cause a denial of service (crash) by creating a range object using createRange, calling selectNode on a DocType node (DOCUMENT_TYPE_NODE), then calling createContextualFragment on the range, which triggers a null dereference. NOTE: the original Bugtraq post mentioned that code execution was possible, but followup analysis has shown that it is only a null dereference.
Affected products
Remediation
Red Hat statement
Red Hat does not consider a user-assisted crash of a client application such as Firefox to be a security issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.47% (0.07472) | 94.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.86% (0.06861) | 93.19th | v5 (v2026.06.15) |
| May 14, 2026 | 19.79% (0.19794) | 95.51th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.22% (0.15222) | 94.04th | v4 (v2025.03.14) |
| Mar 29, 2025 | 13.59% (0.13595) | 90.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.22% (0.15222) | 94.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 40.73% (0.40727) | 97.42th | v3 (v2023.03.01) |
| May 12, 2024 | 40.73% (0.40727) | 97.26th | v3 (v2023.03.01) |
| Feb 4, 2024 | 38.30% (0.38298) | 96.87th | v3 (v2023.03.01) |
| Nov 19, 2023 | 38.78% (0.38776) | 96.87th | v3 (v2023.03.01) |
| Sep 4, 2023 | 39.83% (0.39831) | 96.77th | v3 (v2023.03.01) |
| Jul 28, 2023 | 38.35% (0.38348) | 96.71th | v3 (v2023.03.01) |
| Jun 20, 2023 | 42.75% (0.42748) | 96.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 43.25% (0.43254) | 96.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 35.20% (0.35205) | 97.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 35.20% (0.35205) | 96.79th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-October/050416.html mailing-listx_refsource_FULLDISCExploit
- http://www.gotfault.net/research/advisory/gadv-firefox.txt x_refsource_MISCExploitVendor Advisory
- http://www.securityfocus.com/archive/1/450155/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/450167/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/450168/100/0/threaded mailing-listx_refsource_BUGTRAQExploitVendor Advisory
- http://www.securityfocus.com/archive/1/450682/100/200/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/452803/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/20799 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2006-5633 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=358797 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=213237 x_refsource_CONFIRMExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29916 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2006-5633
- https://www.cve.org/CVERecord?id=CVE-2006-5633
Change history (0)
No recorded changes yet.