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CVE-2021-21898 (GCVE-0-2021-21898)
Vulnerability from cvelistv5
Published
2021-11-19 00:00
Modified
2024-08-03 18:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Summary
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.
References
Impacted products
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fkie_cve-2021-21898
Vulnerability from fkie_nvd
Published
2021-11-19 20:15
Modified
2024-11-21 05:49
Severity ?
Summary
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.
References
| URL | Tags | ||
|---|---|---|---|
| talos-cna@cisco.com | https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html | Third Party Advisory | |
| talos-cna@cisco.com | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/ | ||
| talos-cna@cisco.com | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/ | ||
| talos-cna@cisco.com | https://security.gentoo.org/glsa/202305-26 | ||
| talos-cna@cisco.com | https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349 | Exploit, Third Party Advisory | |
| talos-cna@cisco.com | https://www.debian.org/security/2022/dsa-5077 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/ | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://security.gentoo.org/glsa/202305-26 | ||
| af854a3a-2127-422b-91ae-364da2661108 | https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.debian.org/security/2022/dsa-5077 | Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| librecad | libdxfrw | 2.2.0-rc2-19-ge02f3580 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 | |
| fedoraproject | fedora | 34 | |
| fedoraproject | fedora | 35 |
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"lang": "en",
"value": "CWE-119"
}
],
"source": "talos-cna@cisco.com",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
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}
]
}
opensuse-su-2022:0067-1
Vulnerability from csaf_opensuse
Published
2022-03-02 21:21
Modified
2022-03-02 21:21
Summary
Security update for libdxfrw, librecad
Notes
Title of the patch
Security update for libdxfrw, librecad
Description of the patch
This update for libdxfrw, librecad fixes the following issues:
- Update to version 1.0.1+git.20220109:
* fixed ambiguous error for DRW_Dimension::parseDwg()
* fixed enless while()-loop for pre 2004 versions
* dwgReader::readDwgObjects() stop reading after 1st error
* dwgReader::readDwgEntities() stop reading after 1st error
* replace ENTRY_PARSE macro with template method
* remove unused DRW_Class::parseCode() method
* protect vector<>.reserve() calls
* Added NULL check for hatch code 93
* Fix bounds check in DRW_LWPolyline
* fix, check maxClassNum for valid value
* fixed wrong 2010+ check for 64-bit size
* Set compiler warnings on by default, because makes harder for bugs to go undetected. modified: CMakeLists.txt
* Fixed fall through and other warnings (#54)
* fix 'Vertex ID' printout
- Update to version 1.0.1+git.20211110:
* fixed heap use after free vulnerability CVE-2021-21900 (boo#1192938)
* minor improvements to dwg2dxf, formatting and message output on success
* fixed heap buffer overflow vulnerability CVE-2021-21899 (boo#1192937)
* dwg2dxf - enable debug output of libdxfrw by command line switch
* fixed out-of-bounds write vulnerability CVE-2021-21898 (boo#1192936)
* fixed please note section formatting
* updated README.md for LibreCAD_3 branch and sf.net successor
* fixed LibreCAD 2 issue #1371, read failed with binary DXF
* Use ununordered_map instead of map
* manual merge changes from LibreCAD2
* and much more
- Update to version 1.0.1+git.20200429:
* Fix includes install dir
* Export target as libdxfrw::libdxfrw to keep consistency with Conan packages
* Add archive destination in install
* Install DXFRW::dxfrw target
* Remove duplicate target properties
* Remove version from pkg-config file
* Let CMake handle C++11 compiler definition
* Change minimal required CMake version to 3.0
* cmake: add doc target
* README.md: fix typo
* cmake: generate and install pkgconfig
* cmake: add one for dwg2dxf
* cmake: set library VERSIONs
* cmake: use GNUInstallDirs
- Update to version 0.6.3+git.20190501:
* Add build status and update example link
* Add Travis-CI script
* [#10] Fix compilation on GCC
* Fix bugs with .dwg import of TEXT and MTEXT entities
* This was unnecessary
* Link libdxfrw against libstdc++
* Return an error when the file ends prematurely
* Add version getter
* Fix polyline 2d/3d write
* Initialize return buffers in GetRawChar8 et al.
- update to 2.2.0-rc3
* major release
* DWG imports are more reliable now
* and a lot more of bugfixes and improvements
Patchnames
openSUSE-2022-67
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-2024:11697-1
Vulnerability from csaf_opensuse
Published
2024-06-15 00:00
Modified
2024-06-15 00:00
Summary
libdxfrw-devel-1.0.1+git.20211110-1.1 on GA media
Notes
Title of the patch
libdxfrw-devel-1.0.1+git.20211110-1.1 on GA media
Description of the patch
These are all security issues fixed in the libdxfrw-devel-1.0.1+git.20211110-1.1 package on the GA media of openSUSE Tumbleweed.
Patchnames
openSUSE-Tumbleweed-2024-11697
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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"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright 2024 SUSE LLC. All rights reserved.",
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"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.x86_64",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.x86_64",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw-devel-1.0.1+git.20211110-1.1.x86_64",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw-tools-1.0.1+git.20211110-1.1.x86_64",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.aarch64",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.ppc64le",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.s390x",
"openSUSE Tumbleweed:libdxfrw1-1.0.1+git.20211110-1.1.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2024-06-15T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2021-21900"
}
]
}
cnvd-2021-92474
Vulnerability from cnvd
Title
LibreCad缓冲区溢出漏洞
Description
LibreCAD是LibreCAD组织的一款开源的CAD(计算机辅助设计)应用程序。
LibreCad libdxfrw 中存在缓冲区溢出漏洞,该漏洞源于产品的 dwgCompressor::decompress18 函数未能正确处理特殊的输入数据。攻击者可通过该漏洞导致堆缓冲区溢出。
Severity
中
VLAI Severity ?
Patch Name
LibreCad缓冲区溢出漏洞的补丁
Patch Description
LibreCAD是LibreCAD组织的一款开源的CAD(计算机辅助设计)应用程序。
LibreCad libdxfrw 中存在缓冲区溢出漏洞,该漏洞源于产品的 dwgCompressor::decompress18 函数未能正确处理特殊的输入数据。攻击者可通过该漏洞导致堆缓冲区溢出。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
目前厂商已发布升级补丁以修复漏洞,详情请关注厂商主页: https://librecad.org/
Reference
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349
Impacted products
| Name | LibreCAD libdxfrw 2.2.0-rc2-19-ge02f3580 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-21898"
}
},
"description": "LibreCAD\u662fLibreCAD\u7ec4\u7ec7\u7684\u4e00\u6b3e\u5f00\u6e90\u7684CAD\uff08\u8ba1\u7b97\u673a\u8f85\u52a9\u8bbe\u8ba1\uff09\u5e94\u7528\u7a0b\u5e8f\u3002\n\nLibreCad libdxfrw \u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 dwgCompressor\uff1a\uff1adecompress18 \u51fd\u6570\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u6b8a\u7684\u8f93\u5165\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://librecad.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-92474",
"openTime": "2021-11-30",
"patchDescription": "LibreCAD\u662fLibreCAD\u7ec4\u7ec7\u7684\u4e00\u6b3e\u5f00\u6e90\u7684CAD\uff08\u8ba1\u7b97\u673a\u8f85\u52a9\u8bbe\u8ba1\uff09\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nLibreCad libdxfrw \u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684 dwgCompressor\uff1a\uff1adecompress18 \u51fd\u6570\u672a\u80fd\u6b63\u786e\u5904\u7406\u7279\u6b8a\u7684\u8f93\u5165\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "LibreCad\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "LibreCAD libdxfrw 2.2.0-rc2-19-ge02f3580"
},
"referenceLink": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349",
"serverity": "\u4e2d",
"submitTime": "2021-11-22",
"title": "LibreCad\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}
gsd-2021-21898
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-21898",
"description": "A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.",
"id": "GSD-2021-21898",
"references": [
"https://www.suse.com/security/cve/CVE-2021-21898.html",
"https://www.debian.org/security/2022/dsa-5077",
"https://security.archlinux.org/CVE-2021-21898",
"https://advisories.mageia.org/CVE-2021-21898.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-21898"
],
"details": "A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.",
"id": "GSD-2021-21898",
"modified": "2023-12-13T01:23:11.345356Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "talos-cna@cisco.com",
"ID": "CVE-2021-21898",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "LibreCAD",
"version": {
"version_data": [
{
"version_value": "LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580"
}
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}
]
},
"impact": {
"cvss": {
"baseScore": 8.8,
"baseSeverity": "High",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
}
},
"problemtype": {
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"references": {
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"refsource": "MISC",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349"
},
{
"name": "FEDORA-2021-fa9e3c23f2",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/"
},
{
"name": "FEDORA-2021-67c946a9f3",
"refsource": "FEDORA",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/"
},
{
"name": "[debian-lts-announce] 20211203 [SECURITY] [DLA 2838-1] librecad security update",
"refsource": "MLIST",
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},
{
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"url": "https://www.debian.org/security/2022/dsa-5077"
},
{
"name": "GLSA-202305-26",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202305-26"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:librecad:libdxfrw:2.2.0-rc2-19-ge02f3580:*:*:*:*:*:*:*",
"cpe_name": [],
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}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
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},
{
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"cpe_name": [],
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},
{
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"cpe_name": [],
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}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
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"cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe_name": [],
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},
{
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],
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},
{
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},
"impact": {
"baseMetricV2": {
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"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
},
"lastModifiedDate": "2023-05-21T22:15Z",
"publishedDate": "2021-11-19T20:15Z"
}
}
}
ghsa-6rq2-x93p-cpmq
Vulnerability from github
Published
2021-11-20 00:00
Modified
2022-04-20 00:02
Severity ?
VLAI Severity ?
Details
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.
{
"affected": [],
"aliases": [
"CVE-2021-21898"
],
"database_specific": {
"cwe_ids": [
"CWE-119",
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-11-19T20:15:00Z",
"severity": "HIGH"
},
"details": "A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.",
"id": "GHSA-6rq2-x93p-cpmq",
"modified": "2022-04-20T00:02:06Z",
"published": "2021-11-20T00:00:49Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21898"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202305-26"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2022/dsa-5077"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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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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