Opera < 11.10 Multiple Vulnerabilities

High Nessus Network Monitor Plugin ID 5988


The remote host has a web browser that is vulnerable to multiple attack vectors.


The remote host is running the Opera web browser.

Versions of Opera earlier than 11.10 are potentially affected by multiple vulnerabilities : - An unspecified vulnerability allows remote attackers to hijack searches and customizations using unspecified third-party applications. (CVE-2011-2634)

- Several errors exist that can cause application crashes. Affected items or functionalities are the handling of the CSS pseudo-class ': hover' if used with transforms on a floated element, unspecified web content, and the handling of an embedded Java applet with empty parameters. (CVE-2011-2635, CVE-2011-2636, CVE-2011-2637, CVE-2011-2638, CVE-2011-2640)

- An error in the handling of hidden animated GIF images can cause a denial of service through CPU consumption as image repaints are triggered. (CVE-2011-2639)


Upgrade to Opera 11.10 or later.

See Also


Plugin Details

Severity: High

ID: 5988

Family: Web Clients

Published: 2011/07/05

Updated: 2019/03/06

Dependencies: 1735, 8314

Nessus ID: 55506

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

Temporal Score: 7.7

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

CVSS v3.0

Base Score: 8.1

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:opera:opera_browser

Patch Publication Date: 2011/04/12

Vulnerability Publication Date: 2011/07/01

Reference Information

CVE: CVE-2011-2634, CVE-2011-2635, CVE-2011-2636, CVE-2011-2637, CVE-2011-2638, CVE-2011-2639, CVE-2011-2640

BID: 48569, 48634