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CVE-2021-44647 (GCVE-0-2021-44647)
Vulnerability from cvelistv5
Published
2022-01-11 00:00
Modified
2024-08-04 04:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
References
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cnvd-2022-15519
Vulnerability from cnvd
Title
Lua存在未明漏洞
Description
Lua是Lua(LUA)团队的一款轻量级、扩展的开源脚本语言。
Lua 5.4.4和5.4.2存在安全漏洞,该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞,攻击者可利用该漏洞导致本地拒绝服务。
Severity
低
VLAI Severity ?
Patch Name
Lua存在未明漏洞的补丁
Patch Description
Lua是Lua(LUA)团队的一款轻量级、扩展的开源脚本语言。
Lua 5.4.4和5.4.2存在安全漏洞,该漏洞源于ldebug.c中funcnamefromcode函数存在类型混淆漏洞,攻击者可利用该漏洞导致本地拒绝服务。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
厂商已发布了漏洞修复程序,请及时关注更新: http://lua-users.org/lists/lua-l/2021-11/msg00204.html
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-44647
Impacted products
| Name | ['Lua Lua 5.4.4', 'Lua Lua 5.4.2'] |
|---|
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"number": "CNVD-2022-15519",
"openTime": "2022-03-01",
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"serverity": "\u4f4e",
"submitTime": "2022-01-13",
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fkie_cve-2021-44647
Vulnerability from fkie_nvd
Published
2022-01-11 13:15
Modified
2024-11-21 06:31
Severity ?
Summary
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | http://lua-users.org/lists/lua-l/2021-11/msg00195.html | Exploit, Mailing List, Vendor Advisory | |
| cve@mitre.org | http://lua-users.org/lists/lua-l/2021-11/msg00204.html | Mailing List, Patch, Vendor Advisory | |
| cve@mitre.org | https://access.redhat.com/security/cve/cve-2021-44647 | Third Party Advisory | |
| cve@mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ | ||
| cve@mitre.org | https://security.gentoo.org/glsa/202305-23 | ||
| af854a3a-2127-422b-91ae-364da2661108 | http://lua-users.org/lists/lua-l/2021-11/msg00195.html | Exploit, Mailing List, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://lua-users.org/lists/lua-l/2021-11/msg00204.html | Mailing List, Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/cve-2021-44647 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://security.gentoo.org/glsa/202305-23 |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| lua | lua | 5.4.3 | |
| fedoraproject | fedora | 34 |
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ghsa-wvx9-9phh-9j3h
Vulnerability from github
Published
2022-01-12 00:01
Modified
2022-04-14 00:01
Severity ?
VLAI Severity ?
Details
Lua 5.4.4 and 5.4.2 are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
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"aliases": [
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],
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],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-01-11T13:15:00Z",
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"modified": "2022-04-14T00:01:00Z",
"published": "2022-01-12T00:01:22Z",
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msrc_cve-2021-44647
Vulnerability from csaf_microsoft
Published
2022-01-02 00:00
Modified
2025-04-12 00:00
Summary
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
Notes
Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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"title": "Additional Resources"
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{
"category": "legal_disclaimer",
"text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"environmentalsScore": 0.0,
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
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"17084-1"
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}
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"title": "Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service."
}
]
}
opensuse-su-2024:12156-1
Vulnerability from csaf_opensuse
Published
2024-06-15 00:00
Modified
2024-06-15 00:00
Summary
liblua5_4-5-32bit-5.4.4-4.1 on GA media
Notes
Title of the patch
liblua5_4-5-32bit-5.4.4-4.1 on GA media
Description of the patch
These are all security issues fixed in the liblua5_4-5-32bit-5.4.4-4.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-12156
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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opensuse-su-2025:15401-1
Vulnerability from csaf_opensuse
Published
2025-08-03 00:00
Modified
2025-08-03 00:00
Summary
liblua5_5-5-5.5.0~beta1-1.1 on GA media
Notes
Title of the patch
liblua5_5-5-5.5.0~beta1-1.1 on GA media
Description of the patch
These are all security issues fixed in the liblua5_5-5-5.5.0~beta1-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2025-15401
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{
"document": {
"aggregate_severity": {
"namespace": "https://www.suse.com/support/security/rating/",
"text": "moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "liblua5_5-5-5.5.0~beta1-1.1 on GA media",
"title": "Title of the patch"
},
{
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"title": "Description of the patch"
},
{
"category": "details",
"text": "openSUSE-Tumbleweed-2025-15401",
"title": "Patchnames"
},
{
"category": "legal_disclaimer",
"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
"title": "Terms of use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://www.suse.com/support/security/contact/",
"name": "SUSE Product Security Team",
"namespace": "https://www.suse.com/"
},
"references": [
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"category": "external",
"summary": "SUSE ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
"summary": "URL of this CSAF notice",
"url": "https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2025_15401-1.json"
},
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"category": "self",
"summary": "SUSE CVE CVE-2020-15888 page",
"url": "https://www.suse.com/security/cve/CVE-2020-15888/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-15945 page",
"url": "https://www.suse.com/security/cve/CVE-2020-15945/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-24342 page",
"url": "https://www.suse.com/security/cve/CVE-2020-24342/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-24369 page",
"url": "https://www.suse.com/security/cve/CVE-2020-24369/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-24370 page",
"url": "https://www.suse.com/security/cve/CVE-2020-24370/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2020-24371 page",
"url": "https://www.suse.com/security/cve/CVE-2020-24371/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2021-43519 page",
"url": "https://www.suse.com/security/cve/CVE-2021-43519/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2021-44647 page",
"url": "https://www.suse.com/security/cve/CVE-2021-44647/"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2022-33099 page",
"url": "https://www.suse.com/security/cve/CVE-2022-33099/"
}
],
"title": "liblua5_5-5-5.5.0~beta1-1.1 on GA media",
"tracking": {
"current_release_date": "2025-08-03T00:00:00Z",
"generator": {
"date": "2025-08-03T00:00:00Z",
"engine": {
"name": "cve-database.git:bin/generate-csaf.pl",
"version": "1"
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},
"id": "openSUSE-SU-2025:15401-1",
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"date": "2025-08-03T00:00:00Z",
"number": "1",
"summary": "Current version"
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"version": "1"
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gsd-2021-44647
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
Aliases
Aliases
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"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"modified": "2023-12-13T01:23:20.494885Z",
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}
},
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"publishedDate": "2022-01-11T13:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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