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)

EPSS: 0.072 (93.7th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.