fkie_cve-2021-36976
Vulnerability from fkie_nvd
Published
2021-07-20 07:15
Modified
2025-11-03 22:15
Severity ?
Summary
libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| libarchive | libarchive | * | |
| fedoraproject | fedora | 35 | |
| apple | ipados | * | |
| apple | iphone_os | * | |
| apple | macos | * | |
| apple | watchos | * | |
| splunk | universal_forwarder | * | |
| splunk | universal_forwarder | * | |
| splunk | universal_forwarder | 9.1.0 |
{
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"matchCriteriaId": "BC347DBE-CB96-4546-B2A4-95E3DE39BE51",
"versionEndIncluding": "3.5.2",
"versionStartIncluding": "3.4.1",
"vulnerable": true
}
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block)."
},
{
"lang": "es",
"value": "libarchive versiones 3.4.1 hasta 3.5.1, presenta un uso de memoria previamente liberada en la funci\u00f3n copy_string (llamado desde do_uncompress_block y process_block)"
}
],
"id": "CVE-2021-36976",
"lastModified": "2025-11-03T22:15:49.807",
"metrics": {
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"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
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}
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"cvssMetricV31": [
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"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
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"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "nvd@nist.gov",
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},
"published": "2021-07-20T07:15:07.950",
"references": [
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"value": "CWE-416"
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],
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"type": "Primary"
}
]
}
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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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