Please Install the Updated Packages.

Christian Holler, David Keeler and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1547) Atte Kettunen discovered a buffer overflow when interacting with WebAudio buffers. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1549) Atte Kettunen discovered a use-after-free in WebAudio. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1550) Jethro Beekman discovered a use-after-free when the FireOnStateChange event is triggered in some circumstances. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the priviliges of the user invoking Thunderbird. (CVE-2014-1555) Patrick Cozzi discovered a crash when using the Cesium JS library to generate WebGL content. If a user had enabled scripting, an attacker could potentially exploit this to execute arbitrary code with the privilges of the user invoking Thunderbird. (CVE-2014-1556) Tyson Smith and Jesse Schwartzentruber discovered a use-after-free in CERT_DestroyCertificate. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1544) A crash was discovered in Skia when scaling an image, if the scaling operation takes too long. If a user had enabled scripting, an attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1557) Christian Holler discovered several issues when parsing certificates with non-standard character encoding, resulting in the inability to use valid SSL certificates in some circumstances. (CVE-2014-1558, CVE-2014-1559, CVE-2014-1560) Boris Zbarsky discovered that network redirects could cause an iframe to escape the confinements defined by its sandbox attribute in some circumstances. If a user had enabled scripting, an attacker could potentially exploit this to conduct cross-site scripting attacks. (CVE-2014-1552)

thunderbird on Ubuntu 14.04 LTS , Ubuntu 12.04 LTS

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2014-July/002604.html

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Updated on 2015-03-25