CVE-2011-4684

critical
Published 2011-12-07 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
10.0

Description

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

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-36443 dos windows verified text ยท 1 KB
anonymous ยท 2011-12-12

Opera Web Browser < 11.60 - Denial of Service / Multiple Vulnerabilities

text exploit Source: Exploit-DB
source: https://www.securityfocus.com/bid/51027/info

The Opera Web browser is prone to multiple remote denial-of-service vulnerabilities and an unspecified vulnerability.

An attacker can exploit these issues to cause the affected application to crash, denying service to legitimate users.

Note: The impact of the unspecified vulnerability is not known. We will update this BID when more information emerges.

Versions prior to Opera Web Browser 11.60 are vulnerable. 

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/36443.zip

Application impact

VendorProductVersionsFixed
operaopera_browser{"endIncluding":"11.60"}
operaopera_browser5.0
operaopera_browser5.02
operaopera_browser5.10
operaopera_browser5.11
operaopera_browser5.12
operaopera_browser6.0
operaopera_browser6.1
operaopera_browser6.01
operaopera_browser6.02
operaopera_browser6.03
operaopera_browser6.04
operaopera_browser6.05
operaopera_browser6.06
operaopera_browser6.11
operaopera_browser6.12
operaopera_browser7.0
operaopera_browser7.01
operaopera_browser7.02
operaopera_browser7.03
operaopera_browser7.10
operaopera_browser7.11
operaopera_browser7.20
operaopera_browser7.21
operaopera_browser7.22
operaopera_browser7.23
operaopera_browser7.50
operaopera_browser7.51
operaopera_browser7.52
operaopera_browser7.53
operaopera_browser7.54
operaopera_browser7.60
operaopera_browser8.0
operaopera_browser8.01
operaopera_browser8.02
operaopera_browser8.50
operaopera_browser8.51
operaopera_browser8.52
operaopera_browser8.53
operaopera_browser8.54
operaopera_browser9.0
operaopera_browser9.01
operaopera_browser9.02
operaopera_browser9.10
operaopera_browser9.12
operaopera_browser9.20
operaopera_browser9.21
operaopera_browser9.22
operaopera_browser9.23
operaopera_browser9.24
operaopera_browser9.25
operaopera_browser9.26
operaopera_browser9.27
operaopera_browser9.50
operaopera_browser9.51
operaopera_browser9.52
operaopera_browser9.60
operaopera_browser9.61
operaopera_browser9.62
operaopera_browser9.63
operaopera_browser9.64
operaopera_browser10.00
operaopera_browser10.01
operaopera_browser10.10
operaopera_browser10.50
operaopera_browser10.51
operaopera_browser10.52
operaopera_browser10.53
operaopera_browser10.54
operaopera_browser10.60
operaopera_browser10.61
operaopera_browser10.62
operaopera_browser10.63
operaopera_browser11.00
operaopera_browser11.01
operaopera_browser11.10
operaopera_browser11.50
operaopera_browser11.51
operaopera_browser11.52

References

CWEs

CWE-310

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.