High
Security advisory
An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-16376
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:28 UTC · Revision 1
Source evidence
An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.
osv:CVE-2018-16376
Complete source record
{
"id": "ca62b7cfc70036b2e5f3a18c62b1a9838e391209e17adb5e6da5b54aa5600577",
"url": "https://osv.dev/vulnerability/CVE-2018-16376",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-16376",
"summary": "An issue was discovered in OpenJPEG 2.3.0. A heap-based buffer overflow was discovered in the function t2_encode_packet in lib/openmj2/t2.c. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.",
"evidence": "osv:CVE-2018-16376",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-16376",
"aliases": [
"CVE-2018-16376"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/uclouvain/openjpeg",
"type": "GIT",
"events": [
{
"introduced": "081de4b15f54cb4482035b7bf5e3fb443e4bc84b"
},
{
"last_affected": "081de4b15f54cb4482035b7bf5e3fb443e4bc84b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:uclouvain:openjpeg:2.3.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "2.3.0"
},
{
"last_affected": "2.3.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"2.3.0",
"v2.3.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16376.json"
}
}
],
"modified": "2026-10-20T10:50:20.942021838Z",
"provider": "osv",
"references": [
"https://github.com/uclouvain/openjpeg/issues/1127"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-16376",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381583,
"published_at": "2018-09-03T00:29:01.217+00:00"
}