Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags
Published Apr 2, 2009
4.3
MEDIUMCVSS 2.0
EPSS 5.47%
Description
Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of service (memory corruption) via an XML document composed of a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 3.0.10 and earlier are also affected.
Affected products
No data.
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
https://bugzilla.mozilla.org/show_bug.cgi?id=485941 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:M/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.47% (0.05474) | 92.51th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.47% (0.05474) | 91.71th | v5 (v2026.06.15) |
| Aug 21, 2025 | 17.00% (0.16996) | 94.71th | v4 (v2025.03.14) |
| Mar 30, 2025 | 19.12% (0.19119) | 94.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.54% (0.20542) | 92.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 19.12% (0.19119) | 94.87th | v4 (v2025.03.14) |
| Dec 17, 2024 | 73.08% (0.73080) | 98.29th | v3 (v2023.03.01) |
| Nov 11, 2023 | 83.49% (0.83494) | 98.13th | v3 (v2023.03.01) |
| Jul 6, 2023 | 82.95% (0.82948) | 97.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 86.06% (0.86065) | 97.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 6.79% (0.06790) | 92.15th | v2 (v2022.01.01) |
| Apr 1, 2022 | 6.79% (0.06790) | 91.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 6.79% (0.06790) | 79.54th | v2 (v2022.01.01) |
References (9)
- http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar x_refsource_MISCExploit
- http://websecurity.com.ua/3216/ x_refsource_MISC
- http://www.securityfocus.com/bid/34522 vdb-entryx_refsource_BIDExploit
- https://access.redhat.com/security/cve/CVE-2009-1232 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=485941 x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49521 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-1232
- https://www.cve.org/CVERecord?id=CVE-2009-1232
- https://www.exploit-db.com/exploits/8306 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar | x_refsource_MISCExploit | |
| http://websecurity.com.ua/3216/ | x_refsource_MISC | |
| http://www.securityfocus.com/bid/34522 | vdb-entryx_refsource_BIDExploit | |
| https://access.redhat.com/security/cve/CVE-2009-1232 | Vendor Advisory | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=485941 | x_refsource_MISC | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/49521 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2009-1232 | ||
| https://www.cve.org/CVERecord?id=CVE-2009-1232 | ||
| https://www.exploit-db.com/exploits/8306 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.