CVE-2009-2540

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-07-20 · updated 2026-06-16
Weakness: CWE-770

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.

Affected products

Opera Browser: through 9.64

References

http://www.exploit-db.com/exploits/9160
http://www.g-sec.lu/one-bug-to-rule-them-all.html
http://www.securityfocus.com/archive/1/504969/100/0/threaded
http://www.securityfocus.com/archive/1/504988/100/0/threaded
http://www.securityfocus.com/archive/1/504989/100/0/threaded
http://www.securityfocus.com/archive/1/505006/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/52874
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5957
http://www.exploit-db.com/exploits/9160
http://www.g-sec.lu/one-bug-to-rule-them-all.html
http://www.securityfocus.com/archive/1/504969/100/0/threaded
http://www.securityfocus.com/archive/1/504988/100/0/threaded

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