CVE-2019-9795

CVE-2019-9795 describes a vulnerability in the IonMonkey JIT compiler where a type-confusion could be exploited by malicious JavaScript to trigger a crash. Public references indicate affected products include Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox

CVE-2019-9792

The CVE-2019-9792 issue is an IonMonkey JIT leak in Firefox/Thunderbird where the JS_OPTIMIZED_OUT magic value is leaked during bailout, enabling memory corruption and potentially a crash. Affected: Thunderbird < 60.6, Firefox ESR < 60.6, Firefox

CVE-2019-9790

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...

CVE-2019-9788

Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This...

CVE-2019-9790

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...

CVE-2019-9801

Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a "URL Handler" in the Windows registry...

CVE-2019-9792

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...

CVE-2019-9810

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerability affects Firefox 66.0.1, Firefox ESR 60.6.1, and Thunderbird 60.6.1...

The vulnerability of the Skia library used by web browsers Firefox, Firefox ESR, and the email processing program Thunderbird, related to integer overflow, allows attackers to cause service interruptions.

The vulnerability of the Skia library used in web browsers such as Firefox, Firefox ESR, and the email processing program Thunderbird is related to a numerical overflow vulnerability. Exploiting this vulnerability can allow an attacker to cause service interruptions...

Vulnerability of Firefox web browsers, Firefox ESR, and Thunderbird email client, related to a numerical overflow condition, allowing an attacker to perform write-offs beyond the buffer in memory.

The vulnerability in web browsers Firefox, Firefox ESR, and the email client Thunderbird is related to a numerical overflow vulnerability. Exploiting this vulnerability allows an attacker to perform write-offs beyond the buffer in memory...

The vulnerability of the Skia graphic library in web browsers such as Firefox, Firefox ESR, and the email client Thunderbird allows a hacker to execute arbitrary code or cause a service failure.

The vulnerability of the Skia graphic library in web browsers such as Firefox, Firefox ESR, and the email client Thunderbird is related to buffer overflow in memory. Exploiting this vulnerability could allow an attacker to execute arbitrary code or cause a service failure...

SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2019:0871-1)

This update for MozillaFirefox to version ESR 60.6.1 fixes the following issues : Security issuess addressed : update to Firefox ESR 60.6.1 bsc1130262 : CVE-2019-9813: Fixed Ionmonkey type confusion with proto mutations CVE-2019-9810: Fixed IonMonkey MArraySlice incorrect alias information Update...

SUSE-SU-2019:0871-1 Security update for MozillaFirefox

This update for MozillaFirefox to version ESR 60.6.1 fixes the following issues: Security issuess addressed: - update to Firefox ESR 60.6.1 bsc1130262: - CVE-2019-9813: Fixed Ionmonkey type confusion with proto mutations - CVE-2019-9810: Fixed IonMonkey MArraySlice incorrect alias information -...

The vulnerability of the Array.prototype.slice method in JIT-compiler IonMonkey of the Firefox ESR browser allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Array.prototype.slice method in JIT-compiled Firefox ESR browser software arises due to buffer overflow. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

firefox security update

CentOS Errata and Security Advisory CESA-2019:0672 An update for firefox is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Mozilla: Improper bounds checks when Spectre mitigations are disabled

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully...

Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6

Mozilla developers and community members reported memory safety bugs present in Firefox 65, Firefox ESR 60.5, and Thunderbird 60.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This...

Mozilla: Use-after-free when removing in-use DOM elements

A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird 60.6, Firefox ESR 60.6, and Firefox 66...

Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey

The type inference system allows the compilation of functions that can cause type confusions between arbitrary objects when compiled through the IonMonkey just-in-time JIT compiler and when the constructor function is entered through on-stack replacement OSR. This allows for possible arbitrary...

Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script

The IonMonkey just-in-time JIT compiler can leak an internal JSOPTIMIZEDOUT magic value to the running script during a bailout. This magic value can then be used by JavaScript to achieve memory corruption, which results in a potentially exploitable crash. This vulnerability affects Thunderbird...