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CVE Record

CVE-2011-3458: QuickTime in Apple Mac OS X before 10.7.3 does not prevent access to uninitialized memory locations, which...

QuickTime in Apple Mac OS X before 10.7.3 does not prevent access to uninitialized memory locations, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MP4 file.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's Takehigh

Analyst readout for executives and security teams

Plain-English summary

QuickTime on Apple Mac OS X before 10.7.3 could mishandle memory when processing a crafted MP4 file. If a user opened such a file, an attacker could crash the application or potentially run code on the system.

Executive priority

Treat this as high priority only where legacy Mac systems still exist. Modern, patched fleets are unlikely to be exposed, but unsupported media-processing workstations can carry outsized risk because the stated impact includes code execution.

Technical view

The CVE describes uninitialized memory access in QuickTime on pre-10.7.3 Mac OS X. The attack vector is a crafted MP4 file. Stated impacts are arbitrary code execution or denial of service through application crash. The bundle provides no CVSS, CWE, CPE, or exploit details.

Likely exposure

Exposure is most likely limited to legacy Apple Mac OS X systems running versions before 10.7.3 with QuickTime capable of opening MP4 files. The provided data does not enumerate exact CPEs or all affected OS branches.

Exploitation context

No active exploitation is stated in the provided sources, and the CVE is not marked KEV. The described scenario requires a victim or workflow to process a malicious MP4 file on an affected system.

Researcher notes

The source bundle is thin: no CVSS, CWE, CPE list, or proof-of-exploit details are provided. Analysis should stay anchored to QuickTime on Mac OS X before 10.7.3 and the crafted MP4 vector described by the CVE and Apple advisories.

Mitigation direction

  • Update affected Mac OS X systems to Apple’s fixed release or later.
  • Apply relevant Apple security updates referenced by the advisories.
  • Remove or isolate unsupported legacy Mac systems that process media files.
  • Limit opening MP4 files from untrusted sources on legacy systems.
  • Check current Apple guidance before making production remediation decisions.

Validation and detection

  • Inventory Mac OS X versions and identify systems earlier than 10.7.3.
  • Confirm QuickTime and OS security update status on legacy hosts.
  • Review workflows that accept or preview MP4 files from external sources.
  • Check endpoint telemetry for crashes involving QuickTime and MP4 handling.
  • Document exceptions where legacy systems cannot be upgraded.
Prepared
Confidence
medium
Sources
6

Public sources used

Based on public source material and reviewed before publication.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2011-3458 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
5Source 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
n/an/an/aListed
Weakness

CWE details

No CWE listed

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