ubuntu-cve-2021-46312
Vulnerability from osv_ubuntu
Published
2023-08-22 19:16
Modified
2026-04-22 07:40
Summary
Details
An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.
Severity
6.5 (Medium)
N/A (UNKNOWN)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "djview",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "djview3",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "djvulibre-bin",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "djvulibre-desktop",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "djvuserve",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "libdjvulibre-text",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
},
{
"binary_name": "libdjvulibre21",
"binary_version": "3.5.27.1-5ubuntu0.1+esm3"
}
],
"priority_reason": "Only a crash in an image parser"
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "djvulibre",
"purl": "pkg:deb/ubuntu/djvulibre@3.5.27.1-5ubuntu0.1+esm3?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27.1-5ubuntu0.1+esm3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5.27.1-3",
"3.5.27.1-4",
"3.5.27.1-5",
"3.5.27.1-5ubuntu0.1",
"3.5.27.1-5ubuntu0.1+esm1",
"3.5.27.1-5ubuntu0.1+esm2"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "djview",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "djview3",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "djvulibre-bin",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "djvulibre-desktop",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "djvuserve",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "libdjvulibre-text",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
},
{
"binary_name": "libdjvulibre21",
"binary_version": "3.5.27.1-8ubuntu0.4+esm1"
}
],
"priority_reason": "Only a crash in an image parser"
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "djvulibre",
"purl": "pkg:deb/ubuntu/djvulibre@3.5.27.1-8ubuntu0.4+esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27.1-8ubuntu0.4+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5.27.1-7",
"3.5.27.1-8",
"3.5.27.1-8ubuntu0.1",
"3.5.27.1-8ubuntu0.2",
"3.5.27.1-8ubuntu0.3",
"3.5.27.1-8ubuntu0.4"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "djview",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "djview3",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "djvulibre-bin",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "djvulibre-desktop",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "djvuserve",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "libdjvulibre-text",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
},
{
"binary_name": "libdjvulibre21",
"binary_version": "3.5.27.1-14ubuntu0.1+esm1"
}
],
"priority_reason": "Only a crash in an image parser"
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "djvulibre",
"purl": "pkg:deb/ubuntu/djvulibre@3.5.27.1-14ubuntu0.1+esm1?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.27.1-14ubuntu0.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5.27.1-13",
"3.5.27.1-13ubuntu1",
"3.5.27.1-14",
"3.5.27.1-14build1",
"3.5.27.1-14ubuntu0.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "djview",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "djview3",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "djvulibre-bin",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "djvulibre-desktop",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "djvuserve",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "libdjvulibre-text",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
},
{
"binary_name": "libdjvulibre21",
"binary_version": "3.5.28-2ubuntu0.22.04.2"
}
],
"priority_reason": "Only a crash in an image parser"
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "djvulibre",
"purl": "pkg:deb/ubuntu/djvulibre@3.5.28-2ubuntu0.22.04.2?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.28-2ubuntu0.22.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5.28-2build1",
"3.5.28-2build2",
"3.5.28-2ubuntu0.22.04.1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "djview",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "djview3",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "djvulibre-bin",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "djvulibre-desktop",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "djvuserve",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "libdjvulibre-text",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
},
{
"binary_name": "libdjvulibre21",
"binary_version": "3.5.28-2ubuntu0.24.04.2"
}
],
"priority_reason": "Only a crash in an image parser"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "djvulibre",
"purl": "pkg:deb/ubuntu/djvulibre@3.5.28-2ubuntu0.24.04.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.28-2ubuntu0.24.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5.28-2build3",
"3.5.28-2build4",
"3.5.28-2ubuntu0.24.04.1"
]
}
],
"aliases": [],
"details": "An issue was discovered IW44EncodeCodec.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by zero.",
"id": "UBUNTU-CVE-2021-46312",
"modified": "2026-04-22T07:40:13Z",
"published": "2023-08-22T19:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-46312"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-46312"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8054-1"
}
],
"related": [
"USN-8054-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-46312"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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