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CVE Record

CVE-2020-29619: An out-of-bounds read was addressed with improved input validation.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, iCloud for Windows 12.0, watchOS 7.2. Processing a maliciously crafted image may lead to heap corruption.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-29619 is an Apple image-processing memory safety issue. A maliciously crafted image could cause heap corruption on affected Apple platforms or iCloud for Windows. Apple says the issue was fixed through improved input validation, but the bundle does not provide severity, CVSS, or confirmed exploitation evidence.

Executive priority

Treat this as a patch-compliance issue for Apple fleets rather than a confirmed emergency. Prioritize remediation where staff handle external images, customer-submitted media, or email attachments, and track unresolved legacy systems as business risk.

Technical view

The issue is described as an out-of-bounds read reached while processing a crafted image, with heap corruption as the stated impact. Fixed releases include iOS/iPadOS 14.3, tvOS 14.3, watchOS 7.2, macOS Big Sur 11.1, Catalina and Mojave security updates, and iCloud for Windows 12.0.

Likely exposure

Exposure likely exists on Apple devices or iCloud for Windows installations that have not reached the listed fixed versions or later. The source bundle does not define exact vulnerable version ranges, deployment prerequisites, or whether specific image formats are involved.

Exploitation context

The provided sources do not indicate active exploitation, and the CVE is not marked as KEV. The plausible risk path is user or application handling of malicious image content, but the sources do not provide exploit maturity, public exploit status, or attack complexity.

Researcher notes

Evidence is limited: no CVSS, CWE, affected range, exploit status, or detailed component name is supplied. Analysis should stay anchored to Apple’s fixed-version statements and the stated impact of heap corruption from crafted image processing.

Mitigation direction

  • Update affected Apple platforms to the listed fixed versions or later.
  • Update iCloud for Windows to 12.0 or later where installed.
  • Prioritize systems that routinely receive or preview untrusted images.
  • Check Apple advisories for any newer platform-specific guidance.
  • Retire unsupported macOS or iOS versions where fixed updates are unavailable.

Validation and detection

  • Inventory iOS, iPadOS, macOS, tvOS, watchOS, and iCloud for Windows versions.
  • Confirm macOS Catalina has Security Update 2020-001 applied.
  • Confirm macOS Mojave has Security Update 2020-007 applied.
  • Verify managed endpoints report fixed versions or later.
  • Record exceptions where exact affected version status cannot be proven.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2020-29619 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOS and iPadOSunspecifiedListed
AppletvOSunspecifiedListed
ApplewatchOSunspecifiedListed
ApplemacOSunspecifiedListed
ApplemacOSunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.