The version of Opera installed on the remote host is earlier than 12.01 and is, therefore, reportedly affected by multiple issues :

  - An error exists in the handling of certain URLs that     can lead to memory corruption and possible code     execution. (1016)

  - Errors exist in the handling of DOM elements and     certain HTML characters that can lead to cross-site     scripting. (1025, 1026)

  - Download dialog boxes can be made small enough that     users may not realize they are accepting a download     and further, executing such a download. (1027)

  - An attacker could cause an application crash by tricking     a user into connecting to a malicious site, as     demonstrated by the Lenovo 'Shop Now' page.     (CVE-2012-4146)

The version of Opera installed on the remote Windows host is earlier than 11.64 and is, therefore, potentially affected by a memory corruption vulnerability. 

Certain crafted URLs can cause the application to allocate incorrect amounts of memory and overwrite unrelated memory. This corruption can then lead to application crashes or even arbitrary code execution.

The remote host is affected by the vulnerability described in GLSA-201206-03 (Opera: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Opera. Please review       the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could entice a user to open a specially crafted web       page, possibly resulting in execution of arbitrary code with the       privileges of the process or a Denial of Service condition. A remote       attacker may be able to: trick users into downloading and executing       arbitrary files, bypass intended access restrictions, spoof trusted       content, spoof URLs, bypass the Same Origin Policy, obtain sensitive       information, force subscriptions to arbitrary feeds, bypass the popup       blocker, bypass CSS filtering, conduct cross-site scripting attacks, or       have other unknown impact.
    A local attacker could perform symlink attacks to overwrite arbitrary       files with the privileges of the user running the application or possibly       obtain sensitive information.
    A physically proximate attacker may be able to access an email account.
  Workaround :

    There is no known workaround at this time.

The remote host is running the Opera web browser.  

Versions of Opera earlier than 12.01 are potentially affected by multiple vulnerabilities :

  - An error exists in the handling of certain URLs that can lead to memory corruption and possible code execution. (1016)

  - Errors exist in the handling of DOM elements and certain HTML characters that can lead to cross-site scripting. (1025, 1026)

  - Download dialog boxes can be made small enough that users may not realize they are accepting a download and further, executing such a download. (1027)

  - An attacker could cause an application crash by tricking a user into connecting to a malicious site, as demonstrated by the Lenovo 'Shop Now' page. (CVE-2012-4146)

The remote host is running the Opera web browser. 

Versions of Opera earlier than 12.01 are potentially affected by multiple vulnerabilities :

  - An error exists in the handling of certain URLs that can lead to memory corruption and possible code execution. (1016)

  - Errors exist in the handling of DOM elements and certain HTML characters that can lead to cross-site scripting. (1025, 1026)

  - Download dialog boxes can be made small enough that users may not realize they are accepting a download and further, executing such a download. (1027)

  - An attacker could cause an application crash by tricking a user into connecting to a malicious site, as demonstrated by the Lenovo 'Shop Now' page. (CVE-2012-4146)

ID	Name	Product	Family	Published	Updated	Severity
61414	Opera < 12.01 Multiple Vulnerabilities	Nessus	Windows	8/3/2012	12/4/2019	critical
59089	Opera < 11.64 URL Parsing Memory Corruption	Nessus	Windows	5/14/2012	12/4/2019	critical
59631	GLSA-201206-03 : Opera: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	6/21/2012	1/6/2021	critical
6551	Opera < 12.01 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	8/24/2012	3/6/2019	high
800853	Opera < 12.01 Multiple Vulnerabilities	Log Correlation Engine	Web Clients	8/24/2012		high

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