Actively exploited in the wild
Apple Multiple Products Integer Overflow or Wraparound Vulnerability
Apple - Multiple Products · Listed in the CISA KEV since 2026-03-05. This indicates confirmed attacks in production environments.
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.
CVE-2021-30952
HighCVSS 7.8KEVSummary
Wykryto przepełnienie całkowitoliczbowe, które zostało naprawione dzięki poprawionej walidacji wejścia. Problem ten został rozwiązany w tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2, iPadOS 15.2 oraz watchOS 8.3.
Risk Assessment
Przetwarzanie złośliwie skonstruowanej zawartości internetowej może prowadzić do wykonania dowolnego kodu, co stwarza poważne zagrożenie dla bezpieczeństwa systemów.
Recommendation
Zaleca się aktualizację do najnowszych wersji systemów operacyjnych i przeglądarek, aby zlikwidować tę podatność.
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Original NVD description (English source)
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.