CVE-2009-1232 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 5.5% (pctl 93)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| EPSS | 5.47% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-04-02 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| mozilla | firefox |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Mozilla Firefox 3.0.x - XML Parser Memory Corruption / Denial of Service (PoC) | 2009-03-30 |
References
- http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar
- http://websecurity.com.ua/3216/
- http://www.securityfocus.com/bid/34522
- https://bugzilla.mozilla.org/show_bug.cgi?id=485941
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49521
- https://www.exploit-db.com/exploits/8306
- http://milw0rm.com/sploits/2009-Firefox-XUL-0day-PoC.rar
- http://websecurity.com.ua/3216/
- http://www.securityfocus.com/bid/34522
- https://bugzilla.mozilla.org/show_bug.cgi?id=485941
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49521
- https://www.exploit-db.com/exploits/8306
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