CVE-2009-1232
Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-1232- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-1232- Updated
- 2026-11-02
EUVDEUVD-2009-1231 No score
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.
- Record
EUVD-2009-1231- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rrwf-mrcc-mrgc No score
Mozilla Firefox 3.0.8 and earlier 3.0.x versions allows remote attackers to cause a denial of...
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.
- Record
GHSA-rrwf-mrcc-mrgc- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Mozilla Firefox 3.0.x - XML Parser Memory Corruption / Denial of Service (PoC) | 2009-03-30 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-1232 is a medium vulnerability (CVSS 4.3) in Mozilla Firefox, published April 2, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.47%, the 92nd percentile. No source names a fixed version.