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vuln-ubuntu/data/osv/usn/USN-2673-1.json
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{
"schema_version": "1.7.0",
"id": "USN-2673-1",
"summary": "thunderbird vulnerabilities",
"details": "Karthikeyan Bhargavan discovered that NSS incorrectly handled state\ntransitions for the TLS state machine. If a remote attacker were able to\nperform a machine-in-the-middle attack, this flaw could be exploited to skip\nthe ServerKeyExchange message and remove the forward-secrecy property.\n(CVE-2015-2721)\n\nBob Clary, Christian Holler, Bobby Holley, and Andrew McCreight discovered\nmultiple memory safety issues in Thunderbird. If a user were tricked in to\nopening a specially crafted website in a browsing context, an attacker\ncould potentially exploit these to cause a denial of service via\napplication crash, or execute arbitrary code with the privileges of the\nuser invoking Thunderbird. (CVE-2015-2724)\n\nRonald Crane discovered multiple security vulnerabilities. If a user were\ntricked in to opening a specially crafted website in a browsing context,\nan attacker could potentially exploit these to cause a denial of service\nvia application crash, or execute arbitrary code with the privileges of\nthe user invoking Thunderbird. (CVE-2015-2734, CVE-2015-2735,\nCVE-2015-2736, CVE-2015-2737, CVE-2015-2738, CVE-2015-2739, CVE-2015-2740)\n\nMatthew Green discovered a DHE key processing issue in NSS where a MITM\ncould force a server to downgrade TLS connections to 512-bit export-grade\ncryptography. An attacker could potentially exploit this to impersonate\nthe server. (CVE-2015-4000)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2015-2721",
"UBUNTU-CVE-2015-2724",
"UBUNTU-CVE-2015-2734",
"UBUNTU-CVE-2015-2735",
"UBUNTU-CVE-2015-2736",
"UBUNTU-CVE-2015-2737",
"UBUNTU-CVE-2015-2738",
"UBUNTU-CVE-2015-2739",
"UBUNTU-CVE-2015-2740",
"UBUNTU-CVE-2015-4000"
],
"related": [],
"published": "2015-07-20T22:04:24Z",
"modified": "2026-05-29T17:43:57Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:31.8.0+build1-0ubuntu0.14.04.1?arch=source&distro=trusty"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:31.8.0+build1-0ubuntu0.14.04.1"
}
]
}
],
"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"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-globalmenu",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-gnome-support",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "thunderbird-testsuite",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-calendar-timezones",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-gdata-provider",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:31.8.0+build1-0ubuntu0.14.04.1"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:14.04:LTS",
"cves": [
{
"id": "CVE-2015-2721",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2724",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2734",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2735",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2736",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2737",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2738",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2739",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-2740",
"severity": [
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2015-4000",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2673-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2721"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2724"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2734"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2735"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2736"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2737"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2738"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2739"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-2740"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-4000"
}
]
}
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