An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apple | macOS | affected |
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Project Subscriptions
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Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 25 Mar 2026 01:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption. | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: apple
Published:
Updated: 2026-03-25T00:32:30.351Z
Reserved: 2025-11-11T14:43:07.861Z
Link: CVE-2026-20639
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-03-25T01:17:04.443
Modified: 2026-03-25T01:17:04.443
Link: CVE-2026-20639
Redhat
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OpenCVE Enrichment
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Weaknesses
No weakness.