CVE-2009-2540

Name: CVE-2009-2540
Creator: NVD / NIST
Published: 2009-07-20T18:30:01.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.05%

Last modified Jun 16, 2026

CVE-2009-2540 is a vulnerability of currently unknown severity. Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.. EPSS estimates a 3.05% chance of exploitation in the next 30 days.

Description

Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.

Metrics

EPSS Probability

3.05%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Opera	Opera Browser	<= 9.64

References

http://www.exploit-db.com/exploits/9160Exploit, Third Party Advisory, VDB Entry
http://www.g-sec.lu/one-bug-to-rule-them-all.htmlBroken Link, Exploit
http://www.securityfocus.com/archive/1/504969/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/504988/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/504989/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/505006/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/52874Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5957Broken Link
http://www.exploit-db.com/exploits/9160Exploit, Third Party Advisory, VDB Entry
http://www.g-sec.lu/one-bug-to-rule-them-all.htmlBroken Link, Exploit
http://www.securityfocus.com/archive/1/504969/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/504988/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/504989/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/505006/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/52874Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5957Broken Link

Timeline

Published: Jul 20, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-2540?

How severe is CVE-2009-2540?

Severity scoring for CVE-2009-2540 is pending analysis. The EPSS model estimates a 3.05% probability of exploitation in the next 30 days.

How do I fix CVE-2009-2540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST