#ubuntu

Integer overflow in matroskademux element in gst_matroska_demux_add_wvpk_header function which allows a heap overwrite while parsing matroska files. Potential for arbitrary code execution through heap overwrite.

DOS / potential heap overwrite in qtdemux using zlib decompression. Integer overflow in qtdemux element in qtdemux_inflate function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite.

Integer overflow in avidemux element in gst_avi_demux_invert function which allows a heap overwrite while parsing avi files. Potential for arbitrary code execution through heap overwrite.

Ubuntu Security Notice 5524-1 - It was discovered that HarfBuzz incorrectly handled certain glyph sizes. A remote attacker could use this issue to cause HarfBuzz to crash, resulting in a denial of service.

Ubuntu Security Notice 5523-1 - It was discovered that LibTIFF was not properly performing checks to guarantee that allocated memory space existed, which could lead to a NULL pointer dereference via a specially crafted file. An attacker could possibly use this issue to cause a denial of service. It was discovered that LibTIFF was not properly performing checks to avoid division calculations where the denominator value was zero, which could lead to an undefined behavior situation via a specially crafted file. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice 5520-2 - USN-5520-1 fixed a vulnerability in HTTP-Daemon. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. It was discovered that HTTP-Daemon incorrectly handled certain crafted requests. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack.

Ubuntu Security Notice 5522-1 - Several security issues were discovered in WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

HTMLDoc v1.9.15 was discovered to contain a heap overflow via (write_header) /htmldoc/htmldoc/html.cxx:273.

HTMLDoc v1.9.12 and below was discovered to contain a heap overflow via e_node htmldoc/htmldoc/html.cxx:588.

Nginx NJS v0.7.5 was discovered to contain a segmentation violation in the function njs_value_own_enumerate at src/njs_value.c.