MediumFix available
blender, emscripten and 4 more products — security advisory
Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).
- Products
- blender, emscripten, insighttoolkit4, openjpeg2, qtwebengine-opensource-src, texmaker
- Affected versions
- 1.22.1-1build1, 2.0.13~dfsg-1, 2.2.0-1, 2.3.0-1, 2.3.0-2build0.18.04.1, 2.74+dfsg0-4build2, 2.75.a+dfsg0-2ubuntu2, 2.75.a+dfsg0-2ubuntu3, 2.76.b+dfsg0-3, 2.76.b+dfsg0-3build1, 2.78.c+dfsg0-2build1, 2.79+dfsg0-2build1, 2.79+dfsg0-3, 2.79+dfsg0-3build1, 2.79.b+dfsg0-1, 2.79.b+dfsg0-1ubuntu1.18.04.1, 2.80+dfsg-3, 2.80+dfsg-3build1, 2.80+dfsg-4, 2.81.a+dfsg-5build3, 2.82+dfsg-1, 2.82+dfsg-1build1, 2.82.a+dfsg-1, 2.93.3+dfsg-3, 2.93.5+dfsg-1, 2.93.5+dfsg-1build1, 3.0.1+dfsg-7, 3.1.1~dfsg+~1.39.6-5ubuntu4, 3.1.2~dfsg+~1.39.6-6ubuntu1, 3.1.3~dfsg-4ubuntu1, 3.1.3~dfsg-5ubuntu1, 3.1.4~dfsg-7ubuntu1, 3.1.5~dfsg-3ubuntu1, 3.1.69+dfsg-1, 3.1.69+dfsg-3, 3.1.69+dfsg-4, 3.1.6~dfsg-5, 3.1.6~dfsg-6, 3.1.6~dfsg-7, 3.6.2+dfsg-2ubuntu1, 3.6.2+dfsg-2ubuntu2, 4.0.2+dfsg-1ubuntu1, 4.0.2+dfsg-1ubuntu2, 4.0.2+dfsg-1ubuntu4, 4.0.2+dfsg-1ubuntu6, 4.0.2+dfsg-1ubuntu7, 4.0.2+dfsg-1ubuntu8, 4.12.2-dfsg1-1ubuntu1, 4.12.2-dfsg1-4.1ubuntu1, 4.13.2-dfsg1-1ubuntu1, 4.13.2-dfsg1-4ubuntu1, 4.13.2-dfsg1-6, 4.13.2-dfsg1-6ubuntu1, 4.13.2-dfsg1-8, 4.13.3withdata-dfsg1-4.1, 4.13.3withdata-dfsg2-1ubuntu1, 4.3.2+dfsg-2, 4.3.2+dfsg-2ubuntu1, 4.3.2+dfsg-2ubuntu2, 4.4.1-1, 4.4.1-1.1, 4.5-1, 4.8.1-1ubuntu3, 4.8.1-1ubuntu4, 4.8.2-3.1ubuntu1, 4.9.0-3ubuntu2, 4.9.0-4ubuntu1, 4.9.0-4ubuntu1.1, 5.0.1+dfsg-1ubuntu1, 5.0.1+dfsg-1ubuntu3, 5.0.1+dfsg-3build1, 5.0.1+dfsg-5, 5.0.2-1, 5.0.2-1build1, 5.0.2-1build2, 5.0.2-1ubuntu0.1~esm1, 5.0.3-1build2, 5.0.3-1build3, 5.0.3-1build4, 5.0.3-1build5, 5.0.3-1build8, 5.0.3-1build9, 5.0.3-1ubuntu0.20.04.1~esm1, 5.0.3-1ubuntu0.22.04.1~esm1, 5.1.3+dfsg-1build4, 5.1.3+dfsg-1build5, 5.1.3+dfsg-1build6, 5.1.3+dfsg-1build7, 5.1.3+dfsg-1build8, 5.1.3+dfsg-1ubuntu0.1~esm1, 5.1.3+dfsg-3, 5.1.3+dfsg-3build1, 5.12.4+dfsg-1ubuntu1, 5.12.4+dfsg-1ubuntu3, 5.12.5+dfsg-3ubuntu1, 5.12.5+dfsg-6ubuntu2, 5.12.5+dfsg-7, 5.12.5+dfsg-7build1, 5.12.8+dfsg-0ubuntu1, 5.12.8+dfsg-0ubuntu1.1, 5.12.8+dfsg-0ubuntu1.1+esm1, 5.15.15+dfsg-2, 5.15.15+dfsg-2build2, 5.15.15+dfsg-2ubuntu1, 5.15.16+dfsg-1, 5.15.16+dfsg-1ubuntu2, 5.15.16+dfsg-1ubuntu4, 5.15.16+dfsg-3, 5.15.16+dfsg-3ubuntu0.1~esm1, 5.15.18+dfsg-2, 5.15.18+dfsg-2build1, 5.15.19+dfsg-1, 5.15.19+dfsg2-1, 5.15.19+dfsg2-1build1, 5.15.19+dfsg2-2, 5.15.19+dfsg2-3, 5.15.19+dfsg2-4, 5.15.19+dfsg2-4ubuntu0.1~esm1, 5.15.19+dfsg2-6, 5.15.19+dfsg2-7, 5.15.6+dfsg-1, 5.15.6+dfsg-2, 5.15.7+dfsg-2, 5.15.8+dfsg-1, 5.15.8+dfsg-1build1, 5.15.8+dfsg-1build2, 5.15.8+dfsg-2, 5.15.9+dfsg-1, 5.15.9+dfsg-1ubuntu0.1~esm1, 5.9.1+dfsg-4, 5.9.1+dfsg-4ubuntu1, 5.9.2+dfsg-2ubuntu1, 5.9.3+dfsg-0ubuntu1, 5.9.4+dfsg-0ubuntu1, 5.9.5+dfsg-0ubuntu2, 5.9.5+dfsg-0ubuntu2+esm1, 6.0.1+dfsg-3, 6.0.1+dfsg-3build1, 6.0.1+dfsg-3build2, 6.0.5+dfsg+~1.41.5-2
- Fixed versions
- 2.3.0-2ubuntu0.1~esm1
- CVEs
- CVE-2018-20845
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:26 UTC · Revision 1
Source evidence
Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).
osv:UBUNTU-CVE-2018-20845
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
insighttoolkit4
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
insighttoolkit4
Fixed versions: Not specified
openjpeg2
Fixed versions: 2.3.0-2ubuntu0.1~esm1
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
insighttoolkit4
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
insighttoolkit4
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
blender
Fixed versions: Not specified
emscripten
Fixed versions: Not specified
texmaker
Fixed versions: Not specified
qtwebengine-opensource-src
Fixed versions: Not specified
Complete source record
{
"id": "69262db69bbeeb3b1a1387adbf3c9d4cf89b5fe81f6213c27b7d30bfdfdff6a7",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2018-20845",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2018-20845",
"summary": "Division-by-zero vulnerabilities in the functions pi_next_pcrl, pi_next_cprl, and pi_next_rpcl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).",
"evidence": "osv:UBUNTU-CVE-2018-20845",
"products": [
{
"name": {
"value": "blender",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.74+dfsg0-4build2",
"evidence": "/affected/0/versions"
},
{
"value": "2.75.a+dfsg0-2ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2.75.a+dfsg0-2ubuntu3",
"evidence": "/affected/0/versions"
},
{
"value": "2.76.b+dfsg0-3",
"evidence": "/affected/0/versions"
},
{
"value": "2.76.b+dfsg0-3build1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "emscripten",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.1-1build1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "insighttoolkit4",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.8.1-1ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "4.8.1-1ubuntu4",
"evidence": "/affected/2/versions"
},
{
"value": "4.8.2-3.1ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "4.9.0-3ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "4.9.0-4ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "4.9.0-4ubuntu1.1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "texmaker",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.4.1-1",
"evidence": "/affected/3/versions"
},
{
"value": "4.4.1-1.1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "blender",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.78.c+dfsg0-2build1",
"evidence": "/affected/4/versions"
},
{
"value": "2.79+dfsg0-2build1",
"evidence": "/affected/4/versions"
},
{
"value": "2.79+dfsg0-3",
"evidence": "/affected/4/versions"
},
{
"value": "2.79+dfsg0-3build1",
"evidence": "/affected/4/versions"
},
{
"value": "2.79.b+dfsg0-1",
"evidence": "/affected/4/versions"
},
{
"value": "2.79.b+dfsg0-1ubuntu1.18.04.1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "emscripten",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.22.1-1build1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "insighttoolkit4",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.12.2-dfsg1-1ubuntu1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "openjpeg2",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.3.0-2ubuntu0.1~esm1",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": [
{
"value": "2.2.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "2.3.0-1",
"evidence": "/affected/7/versions"
},
{
"value": "2.3.0-2build0.18.04.1",
"evidence": "/affected/7/versions"
}
]
},
{
"name": {
"value": "qtwebengine-opensource-src",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.9.1+dfsg-4",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.1+dfsg-4ubuntu1",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.2+dfsg-2ubuntu1",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.3+dfsg-0ubuntu1",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.4+dfsg-0ubuntu1",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.5+dfsg-0ubuntu2",
"evidence": "/affected/8/versions"
},
{
"value": "5.9.5+dfsg-0ubuntu2+esm1",
"evidence": "/affected/8/versions"
}
]
},
{
"name": {
"value": "texmaker",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.5-1",
"evidence": "/affected/9/versions"
},
{
"value": "5.0.2-1",
"evidence": "/affected/9/versions"
},
{
"value": "5.0.2-1build1",
"evidence": "/affected/9/versions"
},
{
"value": "5.0.2-1build2",
"evidence": "/affected/9/versions"
},
{
"value": "5.0.2-1ubuntu0.1~esm1",
"evidence": "/affected/9/versions"
}
]
},
{
"name": {
"value": "blender",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.80+dfsg-3",
"evidence": "/affected/10/versions"
},
{
"value": "2.80+dfsg-3build1",
"evidence": "/affected/10/versions"
},
{
"value": "2.80+dfsg-4",
"evidence": "/affected/10/versions"
},
{
"value": "2.81.a+dfsg-5build3",
"evidence": "/affected/10/versions"
},
{
"value": "2.82+dfsg-1",
"evidence": "/affected/10/versions"
},
{
"value": "2.82+dfsg-1build1",
"evidence": "/affected/10/versions"
},
{
"value": "2.82.a+dfsg-1",
"evidence": "/affected/10/versions"
}
]
},
{
"name": {
"value": "insighttoolkit4",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.12.2-dfsg1-4.1ubuntu1",
"evidence": "/affected/11/versions"
},
{
"value": "4.13.2-dfsg1-1ubuntu1",
"evidence": "/affected/11/versions"
},
{
"value": "4.13.2-dfsg1-4ubuntu1",
"evidence": "/affected/11/versions"
},
{
"value": "4.13.2-dfsg1-6",
"evidence": "/affected/11/versions"
},
{
"value": "4.13.2-dfsg1-6ubuntu1",
"evidence": "/affected/11/versions"
},
{
"value": "4.13.2-dfsg1-8",
"evidence": "/affected/11/versions"
}
]
},
{
"name": {
"value": "qtwebengine-opensource-src",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.12.4+dfsg-1ubuntu1",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.4+dfsg-1ubuntu3",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.5+dfsg-3ubuntu1",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.5+dfsg-6ubuntu2",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.5+dfsg-7",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.5+dfsg-7build1",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.8+dfsg-0ubuntu1",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.8+dfsg-0ubuntu1.1",
"evidence": "/affected/12/versions"
},
{
"value": "5.12.8+dfsg-0ubuntu1.1+esm1",
"evidence": "/affected/12/versions"
}
]
},
{
"name": {
"value": "texmaker",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.0.3-1build2",
"evidence": "/affected/13/versions"
},
{
"value": "5.0.3-1build3",
"evidence": "/affected/13/versions"
},
{
"value": "5.0.3-1build4",
"evidence": "/affected/13/versions"
},
{
"value": "5.0.3-1build5",
"evidence": "/affected/13/versions"
},
{
"value": "5.0.3-1ubuntu0.20.04.1~esm1",
"evidence": "/affected/13/versions"
}
]
},
{
"name": {
"value": "blender",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.93.3+dfsg-3",
"evidence": "/affected/14/versions"
},
{
"value": "2.93.5+dfsg-1",
"evidence": "/affected/14/versions"
},
{
"value": "2.93.5+dfsg-1build1",
"evidence": "/affected/14/versions"
},
{
"value": "3.0.1+dfsg-7",
"evidence": "/affected/14/versions"
}
]
},
{
"name": {
"value": "emscripten",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0.13~dfsg-1",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.1~dfsg+~1.39.6-5ubuntu4",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.2~dfsg+~1.39.6-6ubuntu1",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.3~dfsg-4ubuntu1",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.3~dfsg-5ubuntu1",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.4~dfsg-7ubuntu1",
"evidence": "/affected/15/versions"
},
{
"value": "3.1.5~dfsg-3ubuntu1",
"evidence": "/affected/15/versions"
}
]
},
{
"name": {
"value": "insighttoolkit4",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.13.3withdata-dfsg1-4.1",
"evidence": "/affected/16/versions"
},
{
"value": "4.13.3withdata-dfsg2-1ubuntu1",
"evidence": "/affected/16/versions"
}
]
},
{
"name": {
"value": "qtwebengine-opensource-src",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.15.6+dfsg-1",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.6+dfsg-2",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.7+dfsg-2",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.8+dfsg-1",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.8+dfsg-1build1",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.8+dfsg-1build2",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.8+dfsg-2",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.9+dfsg-1",
"evidence": "/affected/17/versions"
},
{
"value": "5.15.9+dfsg-1ubuntu0.1~esm1",
"evidence": "/affected/17/versions"
}
]
},
{
"name": {
"value": "texmaker",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.0.3-1build8",
"evidence": "/affected/18/versions"
},
{
"value": "5.0.3-1build9",
"evidence": "/affected/18/versions"
},
{
"value": "5.0.3-1ubuntu0.22.04.1~esm1",
"evidence": "/affected/18/versions"
}
]
},
{
"name": {
"value": "blender",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.6.2+dfsg-2ubuntu1",
"evidence": "/affected/19/versions"
},
{
"value": "3.6.2+dfsg-2ubuntu2",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu1",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu2",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu4",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu6",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu7",
"evidence": "/affected/19/versions"
},
{
"value": "4.0.2+dfsg-1ubuntu8",
"evidence": "/affected/19/versions"
}
]
},
{
"name": {
"value": "emscripten",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.1.6~dfsg-5",
"evidence": "/affected/20/versions"
},
{
"value": "3.1.6~dfsg-6",
"evidence": "/affected/20/versions"
},
{
"value": "3.1.6~dfsg-7",
"evidence": "/affected/20/versions"
}
]
},
{
"name": {
"value": "qtwebengine-opensource-src",
"evidence": "/affected/21/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.15.15+dfsg-2",
"evidence": "/affected/21/versions"
},
{
"value": "5.15.15+dfsg-2build2",
"evidence": "/affected/21/versions"
},
{
"value": "5.15.15+dfsg-2ubuntu1",
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],
"modified": "2026-10-17T12:55:04.917068635Z",
"provider": "osv",
"upstream": [
"CVE-2018-20845"
],
"references": [
"https://ubuntu.com/security/CVE-2018-20845",
"https://github.com/uclouvain/openjpeg/pull/1168/commits/c5bd64ea146162967c29bd2af0cbb845ba3eaaaf",
"https://ubuntu.com/security/notices/USN-4782-1",
"https://www.cve.org/CVERecord?id=CVE-2018-20845"
]
},
"related_cves": [
{
"value": "CVE-2018-20845",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353624,
"published_at": "2019-06-26T18:15:00+00:00"
}