Gary Kwong, Christian Holler, Byron Campen, Tyson Smith, Bobby Holley, Chris Coulson, and Eric Rahm discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4473, CVE-2015-4474)
Aki Helin discovered an out-of-bounds read when playing malformed MP3 content in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information, cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-4475)
A use-after-free was discovered during MediaStream playback in some circumstances. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4477)
André Bargull discovered that non-configurable properties on javascript objects could be redefined when parsing JSON. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions. (CVE-2015-4478)
Multiple integer overflows were discovered in libstagefright. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4479, CVE-2015-4480, CVE-2015-4493)
Jukka Jylänki discovered a crash that occurs because javascript does not properly gate access to Atomics or SharedArrayBuffers in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service. (CVE-2015-4484)
Abhishek Arya discovered 2 buffer overflows in libvpx when decoding malformed WebM content in some circumstances. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4485, CVE-2015-4486)
Ronald Crane reported 3 security issues. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these, in combination with another security vulnerability, to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2015-4487, CVE-2015-4488, CVE-2015-4489)
Christoph Kerschbaumer discovered an issue with Mozilla's implementation of Content Security Policy (CSP), which could allow for a more permissive usage in some cirucumstances. An attacker could potentially exploit this to conduct cross-site scripting (XSS) attacks. (CVE-2015-4490)
Gustavo Grieco discovered a heap overflow in gdk-pixbuf. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4491)
Looben Yang discovered a use-after-free when using XMLHttpRequest with shared workers in some circumstances. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4492)
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "40.0+build4-0ubuntu0.14.04.1",
"binary_name": "firefox"
},
{
"binary_version": "40.0+build4-0ubuntu0.14.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "40.0+build4-0ubuntu0.14.04.1",
"binary_name": "firefox-globalmenu"
},
{
"binary_version": "40.0+build4-0ubuntu0.14.04.1",
"binary_name": "firefox-mozsymbols"
},
{
"binary_version": "40.0+build4-0ubuntu0.14.04.1",
"binary_name": "firefox-testsuite"
}
]
}
{
"cves": [
{
"id": "CVE-2015-4473",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4474",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4475",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4477",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4478",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4479",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4480",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4484",
"severity": [
{
"type": "Ubuntu",
"score": "low"
}
]
},
{
"id": "CVE-2015-4485",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4486",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4487",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4488",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4489",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4490",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4491",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4492",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4493",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}