GSD-2021-43535
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-43535",
"description": "A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox \u003c 93, Thunderbird \u003c 91.3, and Firefox ESR \u003c 91.3.",
"id": "GSD-2021-43535",
"references": [
"https://www.suse.com/security/cve/CVE-2021-43535.html",
"https://www.debian.org/security/2022/dsa-5034",
"https://www.debian.org/security/2021/dsa-5026",
"https://access.redhat.com/errata/RHSA-2021:4607",
"https://access.redhat.com/errata/RHSA-2021:4605",
"https://access.redhat.com/errata/RHSA-2021:4134",
"https://access.redhat.com/errata/RHSA-2021:4133",
"https://access.redhat.com/errata/RHSA-2021:4132",
"https://access.redhat.com/errata/RHSA-2021:4130",
"https://access.redhat.com/errata/RHSA-2021:4123",
"https://access.redhat.com/errata/RHSA-2021:4116",
"https://ubuntu.com/security/CVE-2021-43535",
"https://advisories.mageia.org/CVE-2021-43535.html"
]
},
"gsd": {
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"id": "GSD-2021-43535",
"modified": "2023-12-13T01:23:26.140425Z",
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"lastModifiedDate": "2022-03-17T19:58Z",
"publishedDate": "2021-12-08T22:15Z"
}
}
}
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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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