ubuntu-cve-2021-45985
Vulnerability from osv_ubuntu
Published
2023-04-10 09:15
Modified
2026-05-20 14:53
Summary
Details
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
Severity
7.5 (High)
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
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{
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}
]
},
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},
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}
],
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},
{
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}
]
},
"package": {
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},
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{
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}
]
},
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},
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]
},
{
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}
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},
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},
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{
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{
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},
{
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}
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},
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{
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},
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{
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},
{
"ecosystem_specific": {
"binaries": [
{
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}
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},
"package": {
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"name": "tup",
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{
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},
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"name": "darktable",
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},
"ranges": [
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"4.4.2-1ubuntu2",
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"4.6.1-2",
"4.6.1-2build3",
"4.6.1-2build4",
"4.6.1-2ubuntu1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "tup",
"binary_version": "0.7.11-4"
}
]
},
"package": {
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"name": "tup",
"purl": "pkg:deb/ubuntu/tup@0.7.11-4?arch=source\u0026distro=noble"
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{
"ecosystem_specific": {
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{
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},
"package": {
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"ranges": [
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},
{
"ecosystem_specific": {
"binaries": [
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"binary_version": "5.0.1-2"
}
]
},
"package": {
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"name": "darktable",
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},
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{
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},
{
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"0.8-5"
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},
{
"ecosystem_specific": {
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{
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"binary_version": "0.14.3-1"
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]
},
"package": {
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"name": "vifm",
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},
"ranges": [
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"versions": [
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]
}
],
"aliases": [],
"details": "In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.",
"id": "UBUNTU-CVE-2021-45985",
"modified": "2026-05-20T14:53:39Z",
"published": "2023-04-10T09:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-45985"
},
{
"type": "REPORT",
"url": "https://github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5"
},
{
"type": "REPORT",
"url": "http://lua-users.org/lists/lua-l/2021-12/msg00019.html"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45985"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-45985"
]
}
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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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