Answer in brief
CVE-2021-30952 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Apple/iOS and iPadOS (generic), Apple/macOS (generic), Apple/macOS (generic), Apple/watchOS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2021-30952 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Apple/iOS and iPadOS (generic), Apple/macOS (generic), Apple/macOS (generic), Apple/watchOS (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Apple/iOS and iPadOS (generic), Apple/macOS (generic), Apple/macOS (generic), Apple/watchOS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Apple/iOS and iPadOSgeneric | >=unspecified <15.2 | 15.2 |
| Apple/macOSgeneric | >=unspecified <12.1 | 12.1 |
| Apple/macOSgeneric | >=unspecified <15.2 | 15.2 |
| Apple/watchOSgeneric | >=unspecified <8.3 | 8.3 |
Published upstream
Aug 24, 2021
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Mar 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Mar 5, 2026
Evidence: source:kev:kev:kev:recordAn 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.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Apple/iOS and iPadOS (generic), Apple/macOS (generic), Apple/macOS (generic), Apple/watchOS (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Apple/iOS and iPadOSgeneric | >=unspecified <15.2 | 15.2 |
| Apple/macOSgeneric | >=unspecified <12.1 | 12.1 |
| Apple/macOSgeneric | >=unspecified <15.2 | 15.2 |
| Apple/watchOSgeneric | >=unspecified <8.3 | 8.3 |
Published upstream
Aug 24, 2021
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Mar 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Mar 5, 2026
Evidence: source:kev:kev:kev:recordAn 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.
Quoted source text, attributed separately from HOL analysis.