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.

Opera Team reports :

- Fixed a heap buffer overflow in string to number conversion

- Fixed an issue where error messages could leak onto unrelated sites

- Fixed a moderately severe issue, as reported by Chris Evans of the Google Security Team; details will be disclosed at a later date.

The version of Opera installed on the remote host is earlier than 10.10.  Such versions are potentially affected by multiple issues :

  - Error messages can leak onto unrelated sites which could     lead to cross-site scripting attacks. (941)

  - Passing very long strings through the string to number     conversion using JavaScript in Opera may result in heap     buffer overflows. (942)     
  - There is an as-yet unspecified moderately severe issue     reported by Chris Evans of the Google Security Team.

The version of Opera installed on the remote host is earlier than 10.01.  Such versions are potentially affected by multiple vulnerabilities : 

  - Error messages can leak onto unrelated sites, potentially leading to cross-site scripting attacks. (941)

  - A heap buffer overflow in string to number conversion. (942)



ID	Name	Product	Family	Published	Updated	Severity
59631	GLSA-201206-03 : Opera: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	6/21/2012	1/6/2021	critical
42967	FreeBSD : opera -- multiple vulnerabilities (6431c4db-deb4-11de-9078-0030843d3802)	Nessus	FreeBSD Local Security Checks	12/2/2009	1/6/2021	medium
42892	Opera < 10.10 Multiple Vulnerabilities	Nessus	Windows	11/25/2009	11/15/2018	high
5241	Opera < 10.10 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	11/24/2009	3/6/2019	medium

Detections

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critical

medium

high

medium