1596 matches found
Security vulnerabilities fixed in Firefox 57.0.1 — Mozilla
When Private Browsing mode is used, it is possible for a web worker to write persistent data to IndexedDB and fingerprint a user uniquely. IndexedDB should not be available in Private Browsing mode and this stored data will persist across multiple private browsing mode sessions because it is not...
Security vulnerabilities fixed in Thunderbird 52.5 — Mozilla
A use-after-free vulnerability can occur when flushing and resizing layout because the PressShell object has been freed while still in use. This results in a potentially exploitable crash during these operations. The Resource Timing API incorrectly revealed navigations in cross-origin iframes. Th...
Security vulnerabilities fixed in Firefox ESR 52.5 — Mozilla
A use-after-free vulnerability can occur when flushing and resizing layout because the PressShell object has been freed while still in use. This results in a potentially exploitable crash during these operations. The Resource Timing API incorrectly revealed navigations in cross-origin iframes. Th...
Security vulnerabilities fixed in Firefox 57 — Mozilla
A use-after-free vulnerability can occur when flushing and resizing layout because the PressShell object has been freed while still in use. This results in a potentially exploitable crash during these operations. The Resource Timing API incorrectly revealed navigations in cross-origin iframes. Th...
Security vulnerabilities fixed in Thunderbird 52.4 — Mozilla
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications ARIA elements...
Security vulnerabilities fixed in Firefox 56 — Mozilla
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake addre...
Security vulnerabilities fixed in Firefox ESR 52.4 — Mozilla
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. A use-after-free vulnerability can occur when manipulating arrays of Accessible Rich Internet Applications ARIA elements...
Security vulnerabilities fixed in Thunderbird 52.3 — Mozilla
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. A use-after-free vulnerability can occur while re-computing layout for a marquee element during window...
Security vulnerabilities fixed in Firefox 55 — Mozilla
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. A use-after-free vulnerability can occur in...
Security vulnerabilities fixed in Firefox ESR 52.3 — Mozilla
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. A use-after-free vulnerability can occur in...
Security vulnerabilities fixed in Thunderbird 52.2 — Mozilla
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. A use-after-free vulnerability when using an incorrect URL during the...
Security vulnerabilities fixed in Firefox 54 — Mozilla
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. A use-after-free vulnerability when using an incorrect URL during the...
Security vulnerabilities fixed in Firefox ESR 52.2 — Mozilla
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. A use-after-free vulnerability when using an incorrect URL during the...
Use after free in ANGLE — Mozilla
A use-after-free can occur during Buffer11 API calls within the ANGLE graphics library, used for WebGL content. This can lead to a potentially exploitable crash. Note: This issue is in libGLES, which is only in use on Windows. Other operating systems are not affected...
Security vulnerabilities fixed in Thunderbird 52.1 — Mozilla
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. A use-after-free vulnerability occurs during transaction processing in t...
Security vulnerabilities fixed in Firefox ESR 45.9 — Mozilla
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. A use-after-free vulnerability occurs during transaction processing in t...
Security vulnerabilities fixed in Firefox ESR 52.1 — Mozilla
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. A use-after-free vulnerability occurs during transaction processing in t...
Security vulnerabilities fixed in Firefox 53 — Mozilla
A use-after-free vulnerability in SMIL animation functions occurs when pointers to animation elements in an array are dropped from the animation controller while still in use. This results in a potentially exploitable crash. A use-after-free vulnerability occurs during transaction processing in t...
Security vulnerabilities fixed in - Thunderbird 52 — Mozilla
JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may be exploitabl...
integer overflow in createImageBitmap() — Mozilla
An integer overflow in createImageBitmap was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the createImageBitmap API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer...
Security vulnerabilities fixed in Firefox ESR 45.8 — Mozilla
JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may be exploitabl...
Security vulnerabilities fixed in Firefox 52 — Mozilla
JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may be exploitabl...
Security vulnerabilities fixed in Thunderbird 45.8 — Mozilla
JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. A crash triggerable by web content in which an ErrorResult references unassigned memory due to a logic error. The resulting crash may be exploitabl...
Security vulnerabilities fixed in Firefox 51.0.3 — Mozilla
The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own...
Security vulnerabilities fixed in Thunderbird 45.7 — Mozilla
JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. Use-after-free while manipulating XSL in XSLT documents Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object’s address can...
Security vulnerabilities fixed in Firefox ESR 45.7 — Mozilla
JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. Use-after-free while manipulating XSL in XSLT documents Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object’s address can...
Security vulnerabilities fixed in Firefox 51 — Mozilla
JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. Use-after-free while manipulating XSL in XSLT documents A memory corruption vulnerability in Skia that can occur when using transforms to make gradients, resulting in a potential...
Security vulnerabilities fixed in Thunderbird 45.6 — Mozilla
Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. Event handlers on marquee elements were executed despite a strict Content Security Policy CSP that disallowed inline JavaScript. Memory corruption resulting in a potentially...
Security vulnerabilities fixed in Firefox 50.1 — Mozilla
A buffer overflow in SkiaGl caused when a GrGLBuffer is truncated during allocation. Later writers will overflow the buffer, resulting in a potentially exploitable crash. Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. Event...
Security vulnerabilities fixed in Firefox ESR 45.6 — Mozilla
Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. Event handlers on marquee elements were executed despite a strict Content Security Policy CSP that disallowed inline JavaScript. Memory corruption resulting in a potentially...
Firefox SVG Animation Remote Code Execution — Mozilla
A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows...
Security vulnerabilities fixed in Firefox 50.0.1 — Mozilla
Redirection from an HTTP connection to a data: URL assigns the referring site's origin to the data: URL in some circumstances. This can result in same-origin violations against a domain if it loads resources from malicious sites. Cross-origin setting of cookies has been demonstrated without the...
Security vulnerabilities fixed in Thunderbird 45.5 — Mozilla
A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. The Mozilla Updater can be made to choose an arbitrary target working directory for output files resulting from the update process. This vulnerability require...
Security vulnerabilities fixed in Firefox ESR 45.5 — Mozilla
A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file. Thi...
Security vulnerabilities fixed in Firefox 50 — Mozilla
A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. When the Mozilla Updater is run, if the Updater's log file in the...
Security vulnerabilities fixed in Firefox 49.0.2 — Mozilla
A potentially exploitable use-after-free crash during actor destruction with service workers. This issue does not affect releases earlier than Firefox 49. A Cliqz.com developer demonstrated that web content could access information in the HTTP cache if e10s is disabled. This can reveal some visit...
Security vulnerabilities fixed in Thunderbird 45.4 — Mozilla
An out-of-bounds write of a boolean value during text conversion with some unicode characters. A bad cast when processing layout with input elements can result in a potentially exploitable crash. A use-after-free vulnerability triggered by setting a aria-owns attribute A use-after-free issue in w...
Security vulnerabilities fixed in Firefox 49 — Mozilla
A content security policy CSP containing a referrer directive with no values can cause a non-exploitable crash. An out-of-bounds write of a boolean value during text conversion with some unicode characters An out-of-bounds read during the processing of text runs in some pages using...
Security vulnerabilities fixed in Firefox ESR 45.4 — Mozilla
An out-of-bounds write of a boolean value during text conversion with some unicode characters A bad cast when processing layout with input elements can result in a potentially exploitable crash. A use-after-free vulnerability triggered by setting a aria-owns attribute. A use-after-free issue in w...
Information disclosure through Resource Timing API during page navigation — Mozilla
Amazon software engineer Catalin Dumitru reported that the URLs of resources loaded after a navigation started such as in an unload event handler were leaked to the following page through the Resource Timing API. This leads to potential information disclosure...
Integer overflow in WebSockets during data buffering — Mozilla
Security researcher Samuel Groß reported an integer overflow error in WebSockets during data buffering on incoming packets when an allocated buffer is resized incorrectly. This results in the buffer array holding the data being shrunk, instead of grown, resulting in attacker controlled data being...
Use-after-free in DTLS during WebRTC session shutdown — Mozilla
Security researcher Looben Yang reported a use-after-free vulnerability in WebRTC. This occurs during WebRTC session shutdown when DTLS objects in memory are freed while still actively in use. This results in a potentially exploitable crash...
Location bar spoofing via data URLs with malformed/invalid mediatypes — Mozilla
Security researcher Firas Salem reported that decoding url-encoded values in data: urls for display leads to potential spoofing in the Location bar by using non-ASCII and emoji characters in a data: url's mediatype. This issue could result in the wrong URL being displayed as a location, which can...
Same-origin policy violation using local HTML file and saved shortcut file — Mozilla
Security researcher Abdulrahman Alqabandi reported that when a local HTML file resides in the same directory as a malicious local shortcut file, the shortcut can be called by the local page to allow the page to read the contents of local files or directories or to load an arbitrary website in...
Type confusion in display transformation — Mozilla
Using the Address Sanitizer tool, security researcher Nils reported a type confusion flaw in display transformation during rendering due to incorrect bounds checking. This leads to a potentially exploitable crash and can be triggered by web content...
Crash in incremental garbage collection in JavaScript — Mozilla
Security researcher Jukka Jylänki reported a use-after-free in JavaScript caused by how objects and pointers are handled during incremental garbage collection in some circumstances working with object groups. When triggered, this causes a potential exploitable crash but is mitigated by the...
Favicon network connection can persist when page is closed — Mozilla
Security researcher Toni Huttunen reported that once the favicon is requested from a site, the remote server can keep the favicon network connection open even when the page is later closed. This allows a malicious site to continue to use this channel to send requests to the browser, leading to...
Miscellaneous memory safety hazards (rv:48.0 / rv:45.3) — Mozilla
Mozilla developers and community members reported several memory safety bugs in the browser engine used in Firefox and other Mozilla-based products. Some of these bugs showed evidence of memory corruption under certain circumstances, and we presume that with enough effort at least some of these...
Addressbar spoofing with right-to-left characters on Firefox for Android — Mozilla
Security researcher Rafay Baloch reported a mechanism to spoof the addressbar in Firefox for Android using right-to-left character sets when combined with left-to-right characters. This can be used to cause only certain portions of the loaded left-to-right character portion of the URL to be...
Arbitrary file manipulation by local user through Mozilla updater and callback application path parameter — Mozilla
Security researcher Holger Fuhrmannek reported that when the Updater is opened directly using the callback application path parameter, a copy of a user specified file is made as a callback file. If the target of this file is made with a locked hardlink, an arbitrary local file can be replaced on...