HighFix available
mpmath — security advisory
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.
- Products
- mpmath
- Affected versions
- Not specified
- Fixed versions
- 1.2.1-2
- CVEs
- CVE-2021-29063
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:01 UTC · Revision 1
Source evidence
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.
osv:DEBIAN-CVE-2021-29063
mpmath
Fixed versions: 1.2.1-2
mpmath
Fixed versions: 1.2.1-2
mpmath
Fixed versions: 1.2.1-2
Complete source record
{
"id": "1b4279a106a9c4b0326f78c7b5b7c330f2461df070001909558159ce21ea4052",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-29063",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2021-29063",
"summary": "A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in Mpmath v1.0.0 through v1.2.1 when the mpmathify function is called.",
"evidence": "osv:DEBIAN-CVE-2021-29063",
"products": [
{
"name": {
"value": "mpmath",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.1-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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{
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],
"severity": "high",
"structured": {
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"aliases": [
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"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": [
{
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{
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],
"package": {
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"purl": "pkg:deb/debian/mpmath?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
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{
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"package": {
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"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-29063.json"
},
"ecosystem_specific": {
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{
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"package": {
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"purl": "pkg:deb/debian/mpmath?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-29063.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:02:46.745188210Z",
"provider": "osv",
"upstream": [
"CVE-2021-29063"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2021-29063"
]
},
"related_cves": [
{
"value": "CVE-2021-29063",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 419696,
"published_at": "2021-06-21T20:15:09.477+00:00"
}