$ cve CVE-2011-4684 JSON

CVE-2011-4684 EXPLOIT

10.0

HIGH · CVSS 2.0 · EPSS 5.7% (pctl 93)

Patch early

A public exploit exists.

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

CVSS	10.0 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS	5.72% — more likely to be exploited than 93% of all CVEs
Weakness	CWE-310
On CISA KEV	no
Public exploit	yes
Published	2011-12-07
Last modified	2026-06-16

Vendor	Product
opera	opera browser

Source	Title	Date
exploit-db	Opera Web Browser < 11.60 - Denial of Service / Multiple Vulnerabilities	2011-12-12