The installed version of Firefox 4 is potentially affected by the following security issues :

  - Multiple memory safety issues can lead to application     crashes and possibly remote code execution.
    (CVE-2011-2374, CVE-2011-2375)

  - A use-after-free issue when viewing XUL documents with     scripts disabled could lead to code execution.
    (CVE-2011-2373)

  - A memory corruption issue due to multipart /     x-mixed-replace images could lead to memory corruption.
    (CVE-2011-2377)

  - When a JavaScript Array object has its length set to an     extremely large value, the iteration of array elements     that occurs when its reduceRight method is called could     result in code execution due to an invalid index value     being used. (CVE-2011-2371)

  - It is possible for an image from a different domain to     be loaded into a WebGL texture which could be used to     steal image data from a different site. (CVE-2011-2366,     CVE-2011-2598)

  - An out-of-bounds read issue and an invalid write issue     could cause the application to crash. (CVE-2011-2367,     CVE-2011-2368)

  - HTML-encoded entities are improperly decoded when     displayed inside SVG elements which could lead to     cross-site scripting attacks. (CVE-2011-2369)

  - It is possible for a non-whitelisted site to trigger an     install dialog for add-ons and themes. (CVE-2011-2370)

USN-1157-1 fixed vulnerabilities in Firefox. This update provides updated packages for use with Firefox 5.

Bob Clary, Kevin Brosnan, Gary Kwong, Jesse Ruderman, Christian Biesinger, Bas Schouten, Igor Bukanov, Bill McCloskey, Olli Pettay, Daniel Veditz and Marcia Knous discovered multiple memory vulnerabilities in the browser rendering engine. An attacker could possibly execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2011-2374, CVE-2011-2375)

Martin Barbella discovered that under certain conditions, viewing a XUL document while JavaScript was disabled caused deleted memory to be accessed. An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2011-2373)

Jordi Chancel discovered a vulnerability on multipart/x-mixed-replace images due to memory corruption.
An attacker could potentially use this to crash Firefox or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2011-2377)

Chris Rohlf and Yan Ivnitskiy discovered an integer overflow vulnerability in JavaScript Arrays. An attacker could potentially use this to execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2011-2371)

It was discovered that Firefox's WebGL textures did not honor same-origin policy. If a user were tricked into viewing a malicious site, an attacker could potentially view image data from a different site. (CVE-2011-2366)

Christoph Diehl discovered an out-of-bounds read vulnerability in WebGL code. An attacker could potentially read data that other processes had stored in the GPU.
(CVE-2011-2367)

Christoph Diehl discovered an invalid write vulnerability in WebGL code. An attacker could potentially use this to execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2011-2368)

It was discovered that an unauthorized site could trigger an installation dialog for addons and themes. If a user were tricked into viewing a malicious site, an attacker could possibly trick the user into installing a malicious addon or theme. (CVE-2011-2370)

Mario Heiderich discovered a vulnerability in displaying decoded HTML-encoded entities inside SVG elements. An attacker could utilize this to perform cross-site scripting attacks. (CVE-2011-2369).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Mozilla Thunderbird is a standalone mail and newsgroup client.

A flaw was found in the way Thunderbird handled malformed JPEG images.
An HTML mail message containing a malicious JPEG image could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-2377)

Multiple dangling pointer flaws were found in Thunderbird. Malicious HTML content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird.
(CVE-2011-0083, CVE-2011-0085, CVE-2011-2363)

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-2011-2364, CVE-2011-2365, CVE-2011-2374, CVE-2011-2375, CVE-2011-2376)

An integer overflow flaw was found in the way Thunderbird handled JavaScript Array objects. Malicious content could cause Thunderbird to execute JavaScript with the privileges of the user running Thunderbird. (CVE-2011-2371)

A use-after-free flaw was found in the way Thunderbird handled malformed JavaScript. Malicious content could cause Thunderbird to execute JavaScript with the privileges of the user running Thunderbird. (CVE-2011-2373)

It was found that Thunderbird could treat two separate cookies (for web content) as interchangeable if both were for the same domain name but one of those domain names had a trailing '.' character. This violates the same-origin policy and could possibly lead to data being leaked to the wrong domain. (CVE-2011-2362)

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.

From Red Hat Security Advisory 2011:0888 :

Updated SeaMonkey packages that fix several security issues are now available for Red Hat Enterprise Linux 4.

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.

SeaMonkey is an open source web browser, email and newsgroup client, IRC chat client, and HTML editor.

A flaw was found in the way SeaMonkey handled malformed JPEG images. A website containing a malicious JPEG image could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2011-2377)

Multiple dangling pointer flaws were found in SeaMonkey. A web page containing malicious content could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2011-0083, CVE-2011-0085, CVE-2011-2363)

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause SeaMonkey to crash or, potentially, execute arbitrary code with the privileges of the user running SeaMonkey. (CVE-2011-2364, CVE-2011-2365, CVE-2011-2374, CVE-2011-2375, CVE-2011-2376)

An integer overflow flaw was found in the way SeaMonkey handled JavaScript Array objects. A website containing malicious JavaScript could cause SeaMonkey to execute that JavaScript with the privileges of the user running SeaMonkey. (CVE-2011-2371)

A use-after-free flaw was found in the way SeaMonkey handled malformed JavaScript. A website containing malicious JavaScript could cause SeaMonkey to execute that JavaScript with the privileges of the user running SeaMonkey. (CVE-2011-2373)

It was found that SeaMonkey could treat two separate cookies as interchangeable if both were for the same domain name but one of those domain names had a trailing '.' character. This violates the same-origin policy and could possibly lead to data being leaked to the wrong domain. (CVE-2011-2362)

All SeaMonkey users should upgrade to these updated packages, which correct these issues. After installing the update, SeaMonkey must be restarted for the changes to take effect.

Mozilla Thunderbird was updated to the 3.1.11 release.

It has new features, fixes lots of bugs, and also fixes the following security issues :

  - MFSA 2011-19/CVE-2011-2374 CVE-2011-2376 CVE-2011-2364     CVE-2011-2365 Miscellaneous memory safety hazards

  - MFSA 2011-20/CVE-2011-2373 (bmo#617247) Use-after-free     vulnerability when viewing XUL document with script     disabled

  - MFSA 2011-21/CVE-2011-2377 (bmo#638018, bmo#639303)     Memory corruption due to multipart/x-mixed-replace     images

  - MFSA 2011-22/CVE-2011-2371 (bmo#664009) Integer overflow     and arbitrary code execution in Array.reduceRight()

  - MFSA 2011-23/CVE-2011-0083 CVE-2011-0085 CVE-2011-2363     Multiple dangling pointer vulnerabilities

  - MFSA 2011-24/CVE-2011-2362 (bmo#616264) Cookie isolation     error

ID	名稱	產品	系列	已發布	已更新	嚴重性
55288	Firefox 4 Multiple Vulnerabilities	Nessus	Windows	2011/6/21	2026/6/23	high
55409	Ubuntu 11.04 : mozvoikko, ubufox, webfav update (USN-1157-2)	Nessus	Ubuntu Local Security Checks	2011/6/23	2019/9/19	critical
61073	Scientific Linux Security Update : thunderbird on SL4.x, SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	critical
68296	Oracle Linux 4 : seamonkey (ELSA-2011-0888)	Nessus	Oracle Linux Local Security Checks	2013/7/12	2021/1/14	critical
75665	openSUSE Security Update : MozillaThunderbird (MozillaThunderbird-4800)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	critical

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