CVE-2011-4684

Opera < 11.60 - Certificate Revocation Handling Issue

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-4684. PoCs published by anonymous.

AI-analyzed exploit summary The provided text describes a vulnerability in Opera Web Browser prior to version 11.60, which includes multiple remote denial-of-service vulnerabilities and an unspecified vulnerability. The impact of the unspecified vulnerability is not detailed, and the text references an external source for more information.

Description

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

Exploits (1)

exploitdb WRITEUP VERIFIED
by anonymous · textdoswindows
https://www.exploit-db.com/exploits/36443

The provided text describes a vulnerability in Opera Web Browser prior to version 11.60, which includes multiple remote denial-of-service vulnerabilities and an unspecified vulnerability. The impact of the unspecified vulnerability is not detailed, and the text references an external source for more information.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Theoretical
Target: Opera Web Browser < 11.60
No auth needed
Prerequisites: Network access to the target system · Victim must be using a vulnerable version of Opera Web Browser
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Vendor Advisory x_refsource_confirm
http://www.opera.com/docs/changelogs/windows/1160/
Vendor Advisory x_refsource_confirm
http://www.opera.com/docs/changelogs/mac/1160/
Vendor Advisory x_refsource_confirm
http://www.opera.com/docs/changelogs/unix/1160/

Scores

EPSS 0.0605
EPSS Percentile 92.5%

Details

CWE
CWE-310
Status published
Products (30)
opera/opera_browser 5.0 (8 CPE variants)
opera/opera_browser 5.02
opera/opera_browser 5.10
opera/opera_browser 5.11
opera/opera_browser 5.12
opera/opera_browser 6.0 (6 CPE variants)
opera/opera_browser 6.1 (2 CPE variants)
opera/opera_browser 6.01
opera/opera_browser 6.02
opera/opera_browser 6.03
... and 20 more
Published Dec 07, 2011
Tracked Since Feb 18, 2026