RHEL 4 / 5 : thunderbird (RHSA-2011:1165)

Critical Nessus Plugin ID 55880


The remote Red Hat host is missing a security update.


An updated thunderbird package that fixes several security issues is now available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Mozilla Thunderbird is a standalone mail and newsgroup client.

Several flaws were found in the processing of malformed HTML content.
Malicious HTML content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-2982)

A flaw was found in the way Thunderbird handled malformed JavaScript.
Malicious content could cause Thunderbird to access already freed memory, causing Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird.

Note: This update disables support for Scalable Vector Graphics (SVG) images in Thunderbird on Red Hat Enterprise Linux 5.

All Thunderbird users should upgrade to this updated package, which resolves these issues. All running instances of Thunderbird must be restarted for the update to take effect.


Update the affected thunderbird package.

See Also




Plugin Details

Severity: Critical

ID: 55880

File Name: redhat-RHSA-2011-1165.nasl

Version: $Revision: 1.14 $

Type: local

Agent: unix

Published: 2011/08/17

Modified: 2017/01/04

Dependencies: 12634

Risk Information

Risk Factor: Critical


Base Score: 10

Temporal Score: 7.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:thunderbird, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:5

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2011/08/16

Reference Information

CVE: CVE-2011-2982, CVE-2011-2983

BID: 49166

OSVDB: 74585, 74586

RHSA: 2011:1165