Security readout for executives and security teams
This CVE describes an Opera browser crash issue in versions before 12.00 Beta. A malicious or malformed web page with invalid character encodings could crash the application, causing denial of service for the user. The sources do not indicate code execution, data theft, or active exploitation. Exposure is most likely limited to endpoints still running Opera versions before 12.00 Beta. Modern environments are unlikely to be affected unless they retain obsolete browser installations for legacy workflows. Prioritize remediation where legacy Opera is still used for internet-facing browsing. This is a user-disruption risk rather than evidence of system compromise, but obsolete browsers create avoidable operational and security exposure. Mitigation focus: Upgrade Opera installations to 12.00 Beta or later, following vendor guidance.; Retire unsupported legacy Opera browsers where no maintained upgrade path exists.; Restrict obsolete browsers from general internet browsing..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2012-3563 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
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
- opera-charencode-dos(76358)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.