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Unrated severityCISA KEVNVD Advisory· Published Apr 2, 2021· Updated Oct 21, 2025

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

6
  • Apple Inc./Ipadosllm-fuzzy
    Range: before 14.4.2
  • Apple Inc./watchOSllm-fuzzy2 versions
    before 7.3.3+ 1 more
    • (no CPE)range: before 7.3.3
    • (no CPE)range: unspecified
  • Apple Inc./iOSllm-fuzzy2 versions
    before 12.5.2 and before 14.4.2+ 1 more
    • (no CPE)range: before 12.5.2 and before 14.4.2
    • (no CPE)range: unspecified
  • Apple Inc./iOS and iPadOScpe-rescue
    Range: unspecified

Patches

Vulnerability mechanics

References

3

News mentions

0

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