CVE-2009-1234: n/a vulnerability

CVE-2009-1234: Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document con...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 05:04 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2009-1234 is an old Opera browser crash issue. A specially crafted XML document could remotely crash Opera 9.64, and later reporting also named 9.52. The evidence provided supports denial of service only, not data theft or code execution. Exposure is most likely in environments still running legacy Opera 9.x, including old Linux desktop packages or archived managed images. Modern browsers or other Opera versions are not identified as affected in the provided sources. Treat this as legacy risk cleanup, not an emergency internet-wide incident. Prioritize removal if Opera 9.x still exists, because unsupported browsers carry broader business risk beyond this crash-only CVE. Mitigation focus: Inventory endpoints for Opera 9.52 and 9.64 installations.; Remove or retire unsupported Opera 9.x where business workflows allow.; Check vendor or SUSE guidance for applicable package updates..

Prepared: Jun 28, 2026, 11:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2009-1234 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 2, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
8320CVE reference · exploit, x_refsource_EXPLOIT-DB
opera-xml-dos(49522)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:5432CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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