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Medium severity6.1CISA KEVNVD Advisory· Published Apr 2, 2021· Updated Jun 17, 2026

CVE-2021-1879

CVE-2021-1879

Description

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Apple Inc./Ipados2 versions
    cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <14.4.2
    • (no CPE)range: 14.4.2
  • Apple Inc./Iphone OS
    cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
    Range: <12.5.2
  • Apple Inc./watchOS3 versions
    cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <7.3.3
    • (no CPE)range: 7.3.3
    • (no CPE)range: unspecified
  • Apple Inc./iOSllm-fuzzy2 versions
    12.5.2, 14.4.2+ 1 more
    • (no CPE)range: 12.5.2, 14.4.2
    • (no CPE)range: unspecified
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

4

News mentions

0

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