CVE-2021-3928 (GCVE-0-2021-3928)
Vulnerability from cvelistv5 – Published: 2021-11-05 00:00 – Updated: 2024-08-03 17:09
VLAI
EPSS
VEX
Title
Use of Uninitialized Variable in vim/vim
Summary
vim is vulnerable to Use of Uninitialized Variable
Severity
7.3 (High)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/29c3ebd2-d601-481c-bf9… | |
| https://github.com/vim/vim/commit/15d9890eee53afc… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2022/01/15/1 | mailing-list |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
| https://security.gentoo.org/glsa/202208-32 | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2022… | mailing-list |
Impacted products
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"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/vim/vim/commit/15d9890eee53afc61eb0a03b878a19cb5672f732"
},
{
"source": "security@huntr.dev",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://huntr.dev/bounties/29c3ebd2-d601-481c-bf96-76975369d0cd"
},
{
"source": "security@huntr.dev",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html"
},
{
"source": "security@huntr.dev",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html"
},
{
"source": "security@huntr.dev",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/"
},
{
"source": "security@huntr.dev",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
},
{
"source": "security@huntr.dev",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/"
},
{
"source": "security@huntr.dev",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202208-32"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/vim/vim/commit/15d9890eee53afc61eb0a03b878a19cb5672f732"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch",
"Third Party Advisory"
],
"url": "https://huntr.dev/bounties/29c3ebd2-d601-481c-bf96-76975369d0cd"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mitigation",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202208-32"
}
],
"sourceIdentifier": "security@huntr.dev",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-457"
}
],
"source": "security@huntr.dev",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-908"
}
],
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-07-03T02:35:53+00:00",
"cve": "CVE-2021-3928",
"id": "CVE-2021-3928",
"initial_release_date": "2021-10-29T00:00:00+00:00",
"product_status:known_affected": "6",
"product_status:known_not_affected": "19",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "vim: stack-based buffer overflow in spell_iswordp() in spell.c",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3928.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-02T02:25:54Z",
"cve": "CVE-2021-3928",
"id": "CVE-2021-3928",
"initial_release_date": "2023-02-15T03:48:22Z",
"product_status:known_affected": "232",
"product_status:recommended": "498",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-3928",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-3928.json",
"version": "40"
}
}
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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