UBUNTU-CVE-2017-5378 (CVE-2017-5378)
Vulnerability from osv_ubuntu – Published: 2017-01-25 00:00 – Updated: 2026-04-22 07:38 – Source websiteHashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object's address can be discovered through hash codes, and also allows for data leakage of an object's content using these hash codes. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "51.0.1+build2-0ubuntu0.14.04.1"
},
{
"binary_name": "firefox-globalmenu",
"binary_version": "51.0.1+build2-0ubuntu0.14.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "51.0.1+build2-0ubuntu0.14.04.1"
},
{
"binary_name": "firefox-testsuite",
"binary_version": "51.0.1+build2-0ubuntu0.14.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@51.0.1+build2-0ubuntu0.14.04.1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "51.0.1+build2-0ubuntu0.14.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"24.0+build1-0ubuntu1",
"25.0+build3-0ubuntu0.13.10.1",
"28.0~b2+build1-0ubuntu2",
"28.0+build1-0ubuntu1",
"28.0+build2-0ubuntu1",
"28.0+build2-0ubuntu2",
"29.0+build1-0ubuntu0.14.04.2",
"30.0+build1-0ubuntu0.14.04.3",
"31.0+build1-0ubuntu0.14.04.1",
"32.0+build1-0ubuntu0.14.04.1",
"32.0.3+build1-0ubuntu0.14.04.1",
"33.0+build2-0ubuntu0.14.04.1",
"34.0+build2-0ubuntu0.14.04.1",
"35.0+build3-0ubuntu0.14.04.2",
"35.0.1+build1-0ubuntu0.14.04.1",
"36.0+build2-0ubuntu0.14.04.4",
"36.0.1+build2-0ubuntu0.14.04.1",
"36.0.4+build1-0ubuntu0.14.04.1",
"37.0+build2-0ubuntu0.14.04.1",
"37.0.1+build1-0ubuntu0.14.04.1",
"37.0.2+build1-0ubuntu0.14.04.1",
"38.0+build3-0ubuntu0.14.04.1",
"39.0+build5-0ubuntu0.14.04.1",
"39.0.3+build2-0ubuntu0.14.04.1",
"40.0+build4-0ubuntu0.14.04.1",
"40.0+build4-0ubuntu0.14.04.4",
"40.0.3+build1-0ubuntu0.14.04.1",
"41.0+build3-0ubuntu0.14.04.1",
"41.0.1+build2-0ubuntu0.14.04.1",
"41.0.2+build2-0ubuntu0.14.04.1",
"42.0+build2-0ubuntu0.14.04.1",
"43.0+build1-0ubuntu0.14.04.1",
"43.0.4+build3-0ubuntu0.14.04.1",
"44.0+build3-0ubuntu0.14.04.1",
"44.0.1+build2-0ubuntu0.14.04.1",
"44.0.2+build1-0ubuntu0.14.04.1",
"45.0+build2-0ubuntu0.14.04.1",
"45.0.1+build1-0ubuntu0.14.04.2",
"45.0.2+build1-0ubuntu0.14.04.1",
"46.0+build5-0ubuntu0.14.04.2",
"46.0.1+build1-0ubuntu0.14.04.3",
"47.0+build3-0ubuntu0.14.04.1",
"48.0+build2-0ubuntu0.14.04.1",
"49.0+build4-0ubuntu0.14.04.1",
"49.0.2+build2-0ubuntu0.14.04.1",
"50.0+build2-0ubuntu0.14.04.2",
"50.0.2+build1-0ubuntu0.14.04.1",
"50.1.0+build2-0ubuntu0.14.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-globalmenu",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-testsuite",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:45.7.0+build1-0ubuntu0.14.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:45.7.0+build1-0ubuntu0.14.04.1?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:45.7.0+build1-0ubuntu0.14.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:24.0+build1-0ubuntu1",
"1:24.0+build1-0ubuntu2",
"1:24.1.1+build1-0ubuntu0.13.10.1",
"1:24.1.1+build1-0ubuntu1",
"1:24.2.0+build1-0ubuntu1",
"1:24.4.0+build1-0ubuntu1",
"1:24.5.0+build1-0ubuntu0.14.04.1",
"1:24.6.0+build1-0ubuntu0.14.04.1",
"1:31.0+build1-0ubuntu0.14.04.1",
"1:31.1.1+build1-0ubuntu0.14.04.1",
"1:31.1.2+build1-0ubuntu0.14.04.1",
"1:31.2.0+build2-0ubuntu0.14.04.1",
"1:31.3.0+build1-0ubuntu0.14.04.1",
"1:31.4.0+build1-0ubuntu0.14.04.1",
"1:31.5.0+build1-0ubuntu0.14.04.1",
"1:31.6.0+build1-0ubuntu0.14.04.1",
"1:31.7.0+build1-0ubuntu0.14.04.1",
"1:31.8.0+build1-0ubuntu0.14.04.1",
"1:38.2.0+build1-0ubuntu0.14.04.1",
"1:38.3.0+build1-0ubuntu0.14.04.1",
"1:38.4.0+build3-0ubuntu0.14.04.1",
"1:38.5.1+build2-0ubuntu0.14.04.1",
"1:38.6.0+build1-0ubuntu0.14.04.1",
"1:38.7.2+build1-0ubuntu0.14.04.1",
"1:38.8.0+build1-0ubuntu0.14.04.1",
"1:45.2.0+build1-0ubuntu0.14.04.3",
"1:45.3.0+build1-0ubuntu0.14.04.4",
"1:45.4.0+build1-0ubuntu0.14.04.1",
"1:45.5.1+build1-0ubuntu0.14.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "51.0.1+build2-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-globalmenu",
"binary_version": "51.0.1+build2-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "51.0.1+build2-0ubuntu0.16.04.1"
},
{
"binary_name": "firefox-testsuite",
"binary_version": "51.0.1+build2-0ubuntu0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@51.0.1+build2-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "51.0.1+build2-0ubuntu0.16.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"41.0.2+build2-0ubuntu1",
"42.0+build2-0ubuntu1",
"44.0+build3-0ubuntu2",
"44.0.1+build1-0ubuntu1",
"44.0.2+build1-0ubuntu1",
"45.0+build2-0ubuntu1",
"45.0.1+build1-0ubuntu1",
"45.0.2+build1-0ubuntu1",
"46.0+build5-0ubuntu0.16.04.2",
"46.0.1+build1-0ubuntu0.16.04.2",
"47.0+build3-0ubuntu0.16.04.1",
"48.0+build2-0ubuntu0.16.04.1",
"49.0+build4-0ubuntu0.16.04.1",
"49.0.2+build2-0ubuntu0.16.04.2",
"50.0+build2-0ubuntu0.16.04.2",
"50.0.2+build1-0ubuntu0.16.04.1",
"50.1.0+build2-0ubuntu0.16.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "thunderbird-globalmenu",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "thunderbird-testsuite",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:45.7.0+build1-0ubuntu0.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:45.7.0+build1-0ubuntu0.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:45.7.0+build1-0ubuntu0.16.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:38.3.0+build1-0ubuntu2",
"1:38.5.1+build2-0ubuntu1",
"1:38.6.0+build1-0ubuntu1",
"1:38.7.2+build1-0ubuntu0.16.04.1",
"1:38.8.0+build1-0ubuntu0.16.04.1",
"1:45.2.0+build1-0ubuntu0.16.04.1",
"1:45.3.0+build1-0ubuntu0.16.04.2",
"1:45.4.0+build1-0ubuntu0.16.04.1",
"1:45.5.1+build1-0ubuntu0.16.04.1"
]
}
],
"aliases": [],
"details": "Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an object\u0027s address can be discovered through hash codes, and also allows for data leakage of an object\u0027s content using these hash codes. This vulnerability affects Thunderbird \u003c 45.7, Firefox ESR \u003c 45.7, and Firefox \u003c 51.",
"id": "UBUNTU-CVE-2017-5378",
"modified": "2026-04-22T07:38:10Z",
"published": "2017-01-25T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-5378"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-01/#CVE-2017-5378"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2017-03/#CVE-2017-5378"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3175-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3165-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2017-5378"
}
],
"related": [
"USN-3175-1",
"USN-3165-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2017-5378"
]
}
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