CVE-2008-4293: Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remot
CVE-2008-4293 is a high-severity flaw (CVSS 10.0) affecting opera. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors in which Opera is launched by other applications.
Why this priority
- Critical severity
- EPSS top 8%: very likely to be exploited
A fixed release or distro patch exists.
Risk facts
| CVSS score | 10.0 (High) |
| EPSS exploit chance | 4.5% (top 8%) |
| CISA exploited list | No |
| Published | 2008-09-27 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2008-4293?
opera: upgrade to newer than 9.51. Exact commands for each OS are on this page.
Is CVE-2008-4293 being exploited?
CVE-2008-4293 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2008-4293 affect?
CVE-2008-4293 affects opera. Severity is high (CVSS 10.0). Unspecified vulnerability in Opera before 9.52 on Windows, when registered as a protocol handler, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors in which Opera is launche
How urgent is CVE-2008-4293?
Priority 58/100. Critical severity; EPSS top 8%: very likely to be exploited
Software pages
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