CVE-2009-1234
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML...
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
Exploit likelihood
What each source reports
NVD Score used
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
- Record
CVE-2009-1234- 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
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
- Record
CVE-2009-1234- Updated
- 2026-11-02
EUVDEUVD-2009-1233 No score
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
- Record
EUVD-2009-1233- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5mq4-9gv7-3fhj No score
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML...
Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.
- Record
GHSA-5mq4-9gv7-3fhj- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Opera 9.64 - 7400 nested elements XML Parsing Remote Crash | 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-2009-1234 is a medium vulnerability (CVSS 4.3) in Opera Browser, published April 2, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.52%, the 93rd percentile. No source names a fixed version.
References
exploit-db.com/exploits/8320
exchange.xforce.ibmcloud.com/vulnerabilities/49522
websecurity.com.ua/3216
lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
securityfocus.com/bid/34298
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5432
nvd.nist.gov/vuln/detail/CVE-2009-1234
github.com/advisories/GHSA-5mq4-9gv7-3fhj