firefox: CPU consumption via malicious javascript
Published Aug 24, 2009
5.0
MEDIUMCVSS 2.0
EPSS 4.63%
Description
Mozilla Firefox 3.0.6 through 3.0.13, and 3.5.x, allows remote attackers to cause a denial of service (CPU consumption) via JavaScript code with a long string value for the hash property (aka location.hash), a related issue to CVE-2008-5715.
Affected products
No data.
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.5
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.63% (0.04625) | 91.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.63% (0.04625) | 90.48th | v5 (v2026.06.15) |
| Mar 29, 2025 | 3.58% (0.03576) | 79.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.54% (0.02537) | 84.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00264) | 66.57th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00264) | 65.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00264) | 62.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (6)
- http://websecurity.com.ua/3424/ x_refsource_MISC
- http://www.securityfocus.com/archive/1/506006/100/0/threaded mailing-listx_refsource_BUGTRAQ
- https://access.redhat.com/security/cve/CVE-2009-2953 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=519075 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-2953
- https://www.cve.org/CVERecord?id=CVE-2009-2953
| Link | Providers | Tags |
|---|---|---|
| http://websecurity.com.ua/3424/ | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/506006/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| https://access.redhat.com/security/cve/CVE-2009-2953 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=519075 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-2953 | ||
| https://www.cve.org/CVERecord?id=CVE-2009-2953 |
Change history (0)
No recorded changes yet.