HighFix available
gmp — security advisory
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.
- Products
- gmp
- Affected versions
- Not specified
- Fixed versions
- 2:6.2.1+dfsg-3
- CVEs
- CVE-2021-43618
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:39 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2021-43618
gmp
Fixed versions: 2:6.2.1+dfsg-3
gmp
Fixed versions: 2:6.2.1+dfsg-3
gmp
Fixed versions: 2:6.2.1+dfsg-3
Complete source record
{
"id": "c02d30295ef2261118653a90a20672dd57d7a73b2ff7d22de3a1826a4e7a6b87",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-43618",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-43618",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2021-43618",
"products": [
{
"name": {
"value": "gmp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:6.2.1+dfsg-3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "gmp",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2021-43618",
"aliases": [
"DEBIAN-CVE-2021-43618"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"events": [
{
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{
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],
"package": {
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"purl": "pkg:deb/debian/gmp?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43618.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
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{
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],
"package": {
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"purl": "pkg:deb/debian/gmp?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43618.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
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{
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{
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],
"package": {
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"purl": "pkg:deb/debian/gmp?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-43618.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T09:47:35.989590310Z",
"provider": "osv",
"upstream": [
"CVE-2021-43618"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-43618"
]
},
"related_cves": [
{
"value": "CVE-2021-43618",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 327864,
"published_at": "2021-11-15T04:15:06.873+00:00"
}