glibc: command execution in wordexp() with WRDE_NOCMD specified

The wordexp function in GNU C Library (aka glibc) 2.21 does not enforce the WRDE_NOCMD flag, which allows context-dependent attackers to execute arbitrary commands, as demonstrated by input containing "$((`...`))".

rubygem-actionpack: arbitrary file existence disclosure

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.20, 4.0.x before 4.0.11, 4.1.x before 4.1.7, and 4.2.x before 4.2.0.beta3, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via a /..%2F sequence.

rubygem-actionpack: incomplete fix for CVE-2014-7818, arbitrary file existence disclosure

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.21, 4.0.x before 4.0.12, 4.1.x before 4.1.8, and 4.2.x before 4.2.0.beta4, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via vectors involving a \ (backslash) character, a similar issue to CVE-2014-7818.

ICU: regexp engine missing look-behind expression range check

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a look-behind expression.

ICU: regexp engine incorrect handling of a zero length quantifier

The Regular Expressions package in International Components for Unicode (ICU) 52 before SVN revision 292944, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via vectors related to a zero-length quantifier.

chromium-browser: same-origin-bypass in V8

Google Chrome before 40.0.2214.91, when the Harmony proxy in Google V8 is enabled, allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code with Proxy.create and console.log calls, related to HTTP responses that lack an "X-Content-Type-Options: nosniff" header.

chromium-browser: out-of-bounds read in UI

The SelectionOwner::ProcessTarget function in ui/base/x/selection_owner.cc in the UI implementation in Google Chrome before 40.0.2214.91 uses an incorrect data type for a certain length value, which allows remote attackers to cause a denial of service (out-of-bounds read) via crafted X11 data.

chromium-browser: uninitialized-value in Fonts

The Fonts implementation in Google Chrome before 40.0.2214.91 does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

chromium-browser: out-of-bounds read in Skia

Skia, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.

ruby: REXML billion laughs attack via parameter entity expansion

The REXML parser in Ruby 1.9.x before 1.9.3-p550, 2.0.x before 2.0.0-p594, and 2.1.x before 2.1.4 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document, aka an XML Entity Expansion (XEE) attack.

OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service (server crash) via a small control channel packet.

python-django-horizon: denial of service via login page requests

OpenStack Dashboard (Horizon) before 2014.1.3 and 2014.2.x before 2014.2.1 does not properly handle session records when using a db or memcached session engine, which allows remote attackers to cause a denial of service via a large number of requests to the login page.

Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.

kernel: x86: espfix not working for 32-bit KVM paravirt guests

The paravirt_ops_setup function in arch/x86/kernel/kvm.c in the Linux kernel through 3.18 uses an improper paravirt_enabled setting for KVM guest kernels, which makes it easier for guest OS users to bypass the ASLR protection mechanism via a crafted application that reads a 16-bit value.

libvirt: local denial of service in qemu/qemu_driver.c

The (1) qemuDomainMigratePerform and (2) qemuDomainMigrateFinish2 functions in qemu/qemu_driver.c in libvirt do not unlock the domain when an ACL check fails, which allow local users to cause a denial of service via unspecified vectors.

The default D-Bus access control rule in Midgard2 10.05.7.1 allows local users to send arbitrary method calls or signals to any process on the system bus and possibly execute arbitrary code with root privileges.

Vala: Heap-buffer overflow in vala-gstreamer bindings at Gst.MapInfo()

The Gst.MapInfo function in Vala 0.26.0 and 0.26.1 uses an incorrect buffer length declaration for the Gstreamer bindings, which allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors, which trigger a heap-based buffer overflow.

jasper: dec->numtiles off-by-one check in jpc_dec_process_sot() (oCERT-2015-001)

Off-by-one error in the jpc_dec_process_sot function in JasPer 1.900.1 and earlier allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted JPEG 2000 image, which triggers a heap-based buffer overflow.

jasper: unrestricted stack memory use in jpc_qmfb.c (oCERT-2015-001)

Multiple stack-based buffer overflows in jpc_qmfb.c in JasPer 1.900.1 and earlier allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted JPEG 2000 image.

kernel: iptables restriction bypass if a protocol handler kernel module not loaded

net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with disallowed port numbers.