Improper input validation in Opera Browser
CVE-2009-1234
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.065 (93.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.072 · newest: 0.065 · change: -0.007
Affected products
- Opera Browser — versions 9.52, 9.64
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/8320 (exploit)
- exchange.xforce.ibmcloud.com/vulnerabilities/49522 (vdb-entry)
- websecurity.com.ua/3216/
- lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html (vendor-advisory)
- www.securityfocus.com/bid/34298 (Exploit, vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:5432 (signature, vdb-entry)
Frequently asked questions
- What is CVE-2009-1234?
- CVE-2009-1234 is a vulnerability in Opera Browser, classified under Improper Input Validation. Published 2009-04-02.
- Is CVE-2009-1234 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.