High
Security advisory
jpeg-xl v0.3.2 is affected by a heap buffer overflow in /lib/jxl/coeff_order.cc ReadPermutation. When decoding a malicous jxl file using djxl, an attacker can trigger arbitrary code execution or a denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-28026
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:43 UTC · Revision 1
Source evidence
jpeg-xl v0.3.2 is affected by a heap buffer overflow in /lib/jxl/coeff_order.cc ReadPermutation. When decoding a malicous jxl file using djxl, an attacker can trigger arbitrary code execution or a denial of service.
osv:CVE-2021-28026
Complete source record
{
"id": "0595ebdd73ea25d0daaa435a5bc0d17cd1a172bf38050ef8ccacb9c123cac33d",
"url": "https://osv.dev/vulnerability/CVE-2021-28026",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-28026",
"summary": "jpeg-xl v0.3.2 is affected by a heap buffer overflow in /lib/jxl/coeff_order.cc ReadPermutation. When decoding a malicous jxl file using djxl, an attacker can trigger arbitrary code execution or a denial of service.",
"evidence": "osv:CVE-2021-28026",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-28026",
"aliases": [
"CVE-2021-28026"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/wg1/jpeg-xl",
"type": "GIT",
"events": [
{
"introduced": "e2b1e60f5fda02f5fb395b0b6113f64d33cbb91d"
},
{
"last_affected": "e2b1e60f5fda02f5fb395b0b6113f64d33cbb91d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:jpeg:jpeg-xl:0.3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.3.2"
},
{
"last_affected": "0.3.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.3.2",
"v0.3.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28026.json"
}
}
],
"modified": "2026-10-20T10:54:37.062226353Z",
"provider": "osv",
"references": [
"https://gitlab.com/wg1/jpeg-xl/-/issues/163"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-28026",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385742,
"published_at": "2021-03-05T14:15:13.687+00:00"
}