ubuntu-cve-2019-20503
Vulnerability from osv_ubuntu
Published
2020-03-06 20:15
Modified
2026-05-20 14:51
Summary
Details
usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
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{
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{
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{
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},
{
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},
{
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}
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"1:60.2.1+build1-0ubuntu0.18.04.2",
"1:60.4.0+build2-0ubuntu0.18.04.1",
"1:60.5.1+build2-0ubuntu0.18.04.1",
"1:60.6.1+build2-0ubuntu0.18.04.1",
"1:60.7.0+build1-0ubuntu0.18.04.1",
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"1:60.7.2+build2-0ubuntu0.18.04.1",
"1:60.8.0+build1-0ubuntu0.18.04.1",
"1:60.9.0+build1-0ubuntu0.18.04.1",
"1:68.2.1+build1-0ubuntu0.18.04.1",
"1:68.2.2+build1-0ubuntu0.18.04.1",
"1:68.4.1+build1-0ubuntu0.18.04.1"
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},
{
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"availability": "No subscription required",
"binaries": [
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},
{
"binary_name": "firefox-geckodriver",
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},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "74.0+build3-0ubuntu1"
}
]
},
"package": {
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"name": "firefox",
"purl": "pkg:deb/ubuntu/firefox@74.0+build3-0ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
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{
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},
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"69.0.3+build1-0ubuntu1",
"70.0+build2-0ubuntu1",
"70.0+build2-0ubuntu2",
"70.0.1+build1-0ubuntu2",
"71.0+build2-0ubuntu2",
"71.0+build5-0ubuntu1",
"72.0.1+build1-0ubuntu1",
"72.0.2+build1-0ubuntu1",
"73.0+build1-0ubuntu1",
"73.0+build2-0ubuntu1",
"73.0+build3-0ubuntu1",
"73.0.1+build1-0ubuntu1",
"74.0+build1-0ubuntu1",
"74.0+build2-0ubuntu1",
"74.0+build2-0ubuntu2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "thunderbird",
"binary_version": "1:68.6.0+build2-0ubuntu1"
},
{
"binary_name": "thunderbird-gnome-support",
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},
{
"binary_name": "thunderbird-mozsymbols",
"binary_version": "1:68.6.0+build2-0ubuntu1"
},
{
"binary_name": "xul-ext-calendar-timezones",
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},
{
"binary_name": "xul-ext-gdata-provider",
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},
{
"binary_name": "xul-ext-lightning",
"binary_version": "1:68.6.0+build2-0ubuntu1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "thunderbird",
"purl": "pkg:deb/ubuntu/thunderbird@1:68.6.0+build2-0ubuntu1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"1:68.1.2+build1-0ubuntu2",
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]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libusrsctp-examples",
"binary_version": "0.9.3.0+20190901-1"
},
{
"binary_name": "libusrsctp1",
"binary_version": "0.9.3.0+20190901-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libusrsctp",
"purl": "pkg:deb/ubuntu/libusrsctp@0.9.3.0+20190901-1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.9.3.0+20190127-2",
"0.9.3.0+20190901-1"
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},
{
"ecosystem_specific": {
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{
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"binary_version": "0.9.5.0-2"
},
{
"binary_name": "libusrsctp2",
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}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "libusrsctp",
"purl": "pkg:deb/ubuntu/libusrsctp@0.9.5.0-2?arch=source\u0026distro=jammy"
},
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{
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{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
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],
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},
{
"ecosystem_specific": {
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{
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},
{
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}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "libusrsctp",
"purl": "pkg:deb/ubuntu/libusrsctp@0.9.5.0-2build1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"0.9.5.0-2build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libusrsctp-examples",
"binary_version": "0.9.5.0-2build1"
},
{
"binary_name": "libusrsctp2",
"binary_version": "0.9.5.0-2build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "libusrsctp",
"purl": "pkg:deb/ubuntu/libusrsctp@0.9.5.0-2build1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.9.5.0-2build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libusrsctp-examples",
"binary_version": "0.9.5.0-2build2"
},
{
"binary_name": "libusrsctp2",
"binary_version": "0.9.5.0-2build2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "libusrsctp",
"purl": "pkg:deb/ubuntu/libusrsctp@0.9.5.0-2build2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.9.5.0-2build1",
"0.9.5.0-2build2"
]
}
],
"aliases": [],
"details": "usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.",
"id": "UBUNTU-CVE-2019-20503",
"modified": "2026-05-20T14:51:49Z",
"published": "2020-03-06T20:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2019-20503"
},
{
"type": "REPORT",
"url": "https://bugs.chromium.org/p/project-zero/issues/detail?id=1992"
},
{
"type": "REPORT",
"url": "https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467"
},
{
"type": "REPORT",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2019-20503"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4299-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4328-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4335-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-20503"
}
],
"related": [
"USN-4299-1",
"USN-4328-1",
"USN-4335-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2019-20503"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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