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Fencer Intel
critical 10.0

CVE-2011-4684 json

Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corn…

published 2011-12-07 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4602

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."

Timeline

  1. Published
  2. First public exploit (EDB-36443)

Exploit prediction

5.44% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-36443 Opera Web Browser < 11.60 - Denial of Service / Multiple Vulnerabilities dos, 2011-12-12

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.