RHSA-2017:1201

An out-of-bounds read while processing SVG content in "ConvolvePixel".

An out-of-bounds read during the processing of glyph widths during text layout.

The name_parse function in evdns.c in libevent before 2.1.6-beta allows remote attackers to have unspecified impact via vectors involving the label_len variable, which triggers an out-of-bounds stack read.

Fixed potential buffer overflows in generated Firefox code due to CVE-2016-6354 issue in Flex.

A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash.

An out-of-bounds read when an HTTP/2 connection to a servers sends "DATA" frames with incorrect data content.

An out-of-bounds write vulnerability while decoding improperly formed BinHex format archives.

A use-after-free vulnerability during XSLT processing due to poor handling of template parameters.

A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling.

A use-after-free vulnerability occurs during transaction processing in the editor during design mode interactions.

A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash.

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.

A use-after-free vulnerability occurs during certain text input selection resulting in a potentially exploitable crash.

Memory safety bugs were reported in Firefox 52, Firefox ESR 45.8, Firefox ESR 52, and Thunderbird 52.

During DOM manipulations of the accessibility tree through script, the DOM tree can become out of sync with the accessibility tree, leading to memory corruption and a potentially exploitable crash.

A use-after-free vulnerability in frame selection triggered by a combination of malicious script content and key presses by a user.

A use-after-free vulnerability during changes in style when manipulating DOM elements.

A use-after-free vulnerability when holding a selection during scroll events.

A use-after-free vulnerability during XSLT processing due to a failure to propagate error conditions during matching while evaluating context, leading to objects being used when they no longer exist.

A buffer overflow vulnerability while parsing "application/http-index-format" format content when the header contains improperly formatted data.

An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font.

The search_make_new function in evdns.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (out-of-bounds read) via an empty hostname.

Stack-based buffer overflow in the evutil_parse_sockaddr_port function in evutil.c in libevent before 2.1.6-beta allows attackers to cause a denial of service (segmentation fault) via vectors involving a long string in b…

A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations.

A vulnerability while parsing "application/http-index-format" format content where uninitialized values are used to create an array.

A potential memory corruption and crash when using Skia content when drawing content outside of the bounds of a clipping region.

A mechanism to bypass file system access protections in the sandbox to use the file picker to access different files than those selected in the file picker through the use of relative paths.

If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly.

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event.