CVE-2009-2540 json
Opera, possibly 9.64 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a large integer value for t…
published 2009-07-20 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2535
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com http://www.exploit-db.com/exploits/9160 referenced PoC, tagged "exploit" by a source, unverified
- g-sec.lu http://www.g-sec.lu/one-bug-to-rule-them-all.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
exploit-db.com
/exploits/9160
exploit, third-party-advisory, vdb-entry
-
g-sec.lu
/one-bug-to-rule-them-all.html
broken-link, exploit
-
securityfocus.com
/archive/1/504988/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5957
vdb-entry, signature, broken-link
-
exchange.xforce.ibmcloud.com
/vulnerabilities/52874
vdb-entry, third-party-advisory
-
securityfocus.com
/archive/1/505006/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
-
securityfocus.com
/archive/1/504969/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
-
securityfocus.com
/archive/1/504989/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2009-2540
- NVD CVE-2009-2540
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.