HighFix available
openjpeg — security advisory
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
- Products
- openjpeg
- Affected versions
- Not specified
- Fixed versions
- 2.3.0-r4, 2.3.0-r5, 2.3.1-r3
- CVEs
- CVE-2020-6851
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:12 UTC · Revision 1
Source evidence
OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.
osv:ALPINE-CVE-2020-6851
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.1-r3
openjpeg
Fixed versions: 2.3.0-r4
openjpeg
Fixed versions: 2.3.0-r5
Complete source record
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],
"modified": "2026-10-26T11:17:55.179988291Z",
"provider": "osv",
"upstream": [
"CVE-2020-6851"
],
"references": [
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]
},
"related_cves": [
{
"value": "CVE-2020-6851",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450668,
"published_at": "2020-01-13T06:15:10.957+00:00"
}