CVE-2021-30952 (GCVE-0-2021-30952)
Vulnerability from cvelistv5
Published
2021-08-24 18:50
Modified
2026-03-06 05:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Processing maliciously crafted web content may lead to arbitrary code execution
Summary
An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
References
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Impacted products
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2026-03-05
Due date: 2026-03-26
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Unknown
Notes: https://support.apple.com/en-us/HT212975 ; https://support.apple.com/en-us/HT212976 ; https://support.apple.com/en-us/HT212978 ; https://support.apple.com/en-us/HT212980 ; https://support.apple.com/en-us/HT212982 ; https://nvd.nist.gov/vuln/detail/CVE-2021-30952
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Processing maliciously crafted web content may lead to arbitrary code execution.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Processing maliciously crafted web content may lead to arbitrary code execution\"}]}], \"providerMetadata\": {\"orgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"shortName\": \"apple\", \"dateUpdated\": \"2022-02-06T03:06:35.000Z\"}, \"x_legacyV4Record\": {\"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"8.3\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"watchOS\"}, {\"version\": {\"version_data\": [{\"version_value\": \"15.2\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"iOS and iPadOS\"}, {\"version\": {\"version_data\": [{\"version_value\": \"12.1\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"macOS\"}, {\"version\": {\"version_data\": [{\"version_value\": \"15.2\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"macOS\"}, {\"version\": {\"version_data\": [{\"version_value\": \"15.2\", \"version_affected\": \"\u003c\"}]}, \"product_name\": \"macOS\"}]}, \"vendor_name\": \"Apple\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://support.apple.com/en-us/HT212975\", \"name\": \"https://support.apple.com/en-us/HT212975\", \"refsource\": \"MISC\"}, {\"url\": \"https://support.apple.com/en-us/HT212976\", \"name\": \"https://support.apple.com/en-us/HT212976\", \"refsource\": \"MISC\"}, {\"url\": \"https://support.apple.com/en-us/HT212978\", \"name\": \"https://support.apple.com/en-us/HT212978\", \"refsource\": \"MISC\"}, {\"url\": \"https://support.apple.com/en-us/HT212980\", \"name\": \"https://support.apple.com/en-us/HT212980\", \"refsource\": \"MISC\"}, {\"url\": \"https://support.apple.com/en-us/HT212982\", \"name\": \"https://support.apple.com/en-us/HT212982\", \"refsource\": \"MISC\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2022/01/21/2\", \"name\": \"[oss-security] 20220121 WebKitGTK and WPE WebKit Security Advisory WSA-2022-0001\", \"refsource\": \"MLIST\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7EQVZ3CEMTINLBZ7PBC7WRXVEVCRHNSM/\", \"name\": \"FEDORA-2022-25a98f5d55\", \"refsource\": \"FEDORA\"}, {\"url\": \"https://www.debian.org/security/2022/dsa-5061\", \"name\": \"DSA-5061\", \"refsource\": \"DEBIAN\"}, {\"url\": \"https://www.debian.org/security/2022/dsa-5060\", \"name\": \"DSA-5060\", \"refsource\": \"DEBIAN\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V/\", \"name\": \"FEDORA-2022-f7366e60cb\", \"refsource\": \"FEDORA\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"An integer overflow was addressed with improved input validation. 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"cveMetadata": "{\"cveId\": \"CVE-2021-30952\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-06T05:01:17.601Z\", \"dateReserved\": \"2021-04-13T00:00:00.000Z\", \"assignerOrgId\": \"286789f9-fbc2-4510-9f9a-43facdede74c\", \"datePublished\": \"2021-08-24T18:50:52.000Z\", \"assignerShortName\": \"apple\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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