MediumFix available
pycryptodome — security advisory
PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.
- Products
- pycryptodome
- Affected versions
- 3.11.0+dfsg1-4, 3.18.0+dfsg1-1, 3.20.0+dfsg-1, 3.20.0+dfsg-1+loong64, 3.20.0+dfsg-2, 3.20.0+dfsg-3
- Fixed versions
- 3.20.0+dfsg-1
- CVEs
- CVE-2023-52323
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 16:26 UTC · Revision 1
Source evidence
PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.
osv:DEBIAN-CVE-2023-52323
pycryptodome
Fixed versions: Not specified
pycryptodome
Fixed versions: 3.20.0+dfsg-1
pycryptodome
Fixed versions: 3.20.0+dfsg-1
Complete source record
{
"id": "4bf9be5b7208439f8c216dfea26967c53d3985bc74f39578d3e93fe544b660ac",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-52323",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-52323",
"summary": "PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.",
"evidence": "osv:DEBIAN-CVE-2023-52323",
"products": [
{
"name": {
"value": "pycryptodome",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.11.0+dfsg1-4",
"evidence": "/affected/0/versions"
},
{
"value": "3.18.0+dfsg1-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.20.0+dfsg-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.20.0+dfsg-1+loong64",
"evidence": "/affected/0/versions"
},
{
"value": "3.20.0+dfsg-2",
"evidence": "/affected/0/versions"
},
{
"value": "3.20.0+dfsg-3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "pycryptodome",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.20.0+dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pycryptodome",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.20.0+dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-52323",
"aliases": [
"DEBIAN-CVE-2023-52323"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "pycryptodome",
"purl": "pkg:deb/debian/pycryptodome?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"3.11.0+dfsg1-4",
"3.18.0+dfsg1-1",
"3.20.0+dfsg-1",
"3.20.0+dfsg-1+loong64",
"3.20.0+dfsg-2",
"3.20.0+dfsg-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52323.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.20.0+dfsg-1"
}
]
}
],
"package": {
"name": "pycryptodome",
"purl": "pkg:deb/debian/pycryptodome?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52323.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.20.0+dfsg-1"
}
]
}
],
"package": {
"name": "pycryptodome",
"purl": "pkg:deb/debian/pycryptodome?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52323.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:03:07.554177275Z",
"provider": "osv",
"upstream": [
"CVE-2023-52323"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-52323"
]
},
"related_cves": [
{
"value": "CVE-2023-52323",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 457744,
"published_at": "2024-01-05T04:15:07.763+00:00"
}