The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events
Published Sep 29, 2008
5.0
MEDIUMCVSS 2.0
EPSS 8.92%
Description
The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.
Affected products
No data.
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 8.92% (0.08919) | 95.09th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.92% (0.08919) | 94.55th | v5 (v2026.06.15) |
| Dec 28, 2025 | 6.57% (0.06570) | 90.83th | v4 (v2025.03.14) |
| Dec 27, 2025 | 13.49% (0.13491) | 94.02th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.93% (0.06934) | 90.99th | v4 (v2025.03.14) |
| Oct 27, 2025 | 12.68% (0.12684) | 93.71th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.93% (0.06934) | 91.08th | v4 (v2025.03.14) |
| Sep 29, 2025 | 12.68% (0.12684) | 93.76th | v4 (v2025.03.14) |
| Apr 17, 2025 | 7.94% (0.07936) | 91.56th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.64% (0.09640) | 92.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.63% (0.12626) | 89.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 9.64% (0.09640) | 92.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 9.26% (0.09262) | 94.95th | v3 (v2023.03.01) |
| May 10, 2023 | 9.26% (0.09262) | 93.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.76% (0.06760) | 92.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
References (9)
- http://evilfingers.com/advisory/Firefox_User_Interface_Null_Pointer_Dereference_Dispatcher_Crash_n_Remote_DoS.php x_refsource_MISC
- http://secunia.com/advisories/32040 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securityreason.com/securityalert/4321 third-party-advisoryx_refsource_SREASONExploit
- http://www.secniche.org/moz303.html x_refsource_MISC
- http://www.secniche.org/moz303/index.html x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/496807/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/496846/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/31476 vdb-entryx_refsource_BIDExploit
- https://www.exploit-db.com/exploits/6614 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://evilfingers.com/advisory/Firefox_User_Interface_Null_Pointer_Dereference_Dispatcher_Crash_n_Remote_DoS.php | x_refsource_MISC | |
| http://secunia.com/advisories/32040 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securityreason.com/securityalert/4321 | third-party-advisoryx_refsource_SREASONExploit | |
| http://www.secniche.org/moz303.html | x_refsource_MISC | |
| http://www.secniche.org/moz303/index.html | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/496807/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/496846/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/31476 | vdb-entryx_refsource_BIDExploit | |
| https://www.exploit-db.com/exploits/6614 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.