ubuntu-cve-2021-43618
Vulnerability from osv_ubuntu
Published
2021-11-15 04:15
Modified
2026-04-22 07:40
Summary
Details
GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libgmp10",
"binary_version": "2:5.1.3+dfsg-1ubuntu1+esm1"
},
{
"binary_name": "libgmpxx4ldbl",
"binary_version": "2:5.1.3+dfsg-1ubuntu1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "gmp",
"purl": "pkg:deb/ubuntu/gmp@2:5.1.3+dfsg-1ubuntu1+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:5.1.3+dfsg-1ubuntu1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:5.1.2+dfsg-2ubuntu1",
"2:5.1.2+dfsg-3ubuntu2",
"2:5.1.2+dfsg-3ubuntu3",
"2:5.1.3+dfsg-1ubuntu1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libgmp10",
"binary_version": "2:6.1.0+dfsg-2ubuntu0.1~esm1"
},
{
"binary_name": "libgmpxx4ldbl",
"binary_version": "2:6.1.0+dfsg-2ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "gmp",
"purl": "pkg:deb/ubuntu/gmp@2:6.1.0+dfsg-2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:6.1.0+dfsg-2ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:6.0.0+dfsg-7",
"2:6.1.0+dfsg-2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libgmp10",
"binary_version": "2:6.1.2+dfsg-2ubuntu0.1"
},
{
"binary_name": "libgmpxx4ldbl",
"binary_version": "2:6.1.2+dfsg-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "gmp",
"purl": "pkg:deb/ubuntu/gmp@2:6.1.2+dfsg-2ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:6.1.2+dfsg-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:6.1.2+dfsg-1",
"2:6.1.2+dfsg-2"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libgmp10",
"binary_version": "2:6.2.0+dfsg-4ubuntu0.1"
},
{
"binary_name": "libgmpxx4ldbl",
"binary_version": "2:6.2.0+dfsg-4ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "gmp",
"purl": "pkg:deb/ubuntu/gmp@2:6.2.0+dfsg-4ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2:6.2.0+dfsg-4ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2:6.1.2+dfsg-4",
"2:6.2.0+dfsg-3",
"2:6.2.0+dfsg-4"
]
}
],
"aliases": [],
"details": "GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.",
"id": "UBUNTU-CVE-2021-43618",
"modified": "2026-04-22T07:40:11Z",
"published": "2021-11-15T04:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-43618"
},
{
"type": "REPORT",
"url": "https://gmplib.org/list-archives/gmp-bugs/2021-September/005077.html"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5672-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5672-2"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43618"
}
],
"related": [
"USN-5672-1",
"USN-5672-2"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-43618"
]
}
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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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