MediumFix available
py3-pillow — security advisory
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
- Products
- py3-pillow
- Affected versions
- Not specified
- Fixed versions
- 8.2.0-r0
- CVEs
- CVE-2021-28678
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:03 UTC · Revision 1
Source evidence
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
osv:ALPINE-CVE-2021-28678
py3-pillow
Fixed versions: 8.2.0-r0
py3-pillow
Fixed versions: 8.2.0-r0
Complete source record
{
"id": "c1ac79b81eb152140bdad6634002a12ee111f8f4edfb83c67d8430b9c50df021",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-28678",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2021-28678",
"summary": "An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.",
"evidence": "osv:ALPINE-CVE-2021-28678",
"products": [
{
"name": {
"value": "py3-pillow",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2.0-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "py3-pillow",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.2.0-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "ALPINE-CVE-2021-28678",
"aliases": [
"ALPINE-CVE-2021-28678"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2.0-r0"
}
]
}
],
"package": {
"name": "py3-pillow",
"purl": "pkg:apk/alpine/py3-pillow?arch=source",
"ecosystem": "Alpine:v3.14"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-28678.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.2.0-r0"
}
]
}
],
"package": {
"name": "py3-pillow",
"purl": "pkg:apk/alpine/py3-pillow?arch=source",
"ecosystem": "Alpine:v3.15"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-28678.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-23T17:17:56.171624729Z",
"provider": "osv",
"upstream": [
"CVE-2021-28678"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2021-28678"
]
},
"related_cves": [
{
"value": "CVE-2021-28678",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415383,
"published_at": "2021-06-02T16:15:08.86+00:00"
}