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CVE Record

CVE-2018-3862: A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting

A specially crafted TIFF image processed via the application can lead to an out-of-bounds write, overwriting

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability affects Computerinsel Photoline 20.53 for OS X when it processes a specially crafted TIFF image. A successful attack could corrupt memory and potentially compromise confidentiality, integrity, and availability. The user must interact with the malicious image, so exposure depends on whether this legacy image editor is still used with untrusted files.

Executive priority

Treat as high priority only where the affected legacy application is present. Business urgency is driven by untrusted image-handling workflows and the high CVSS impact, not by confirmed active exploitation.

Technical view

CVE-2018-3862 is an out-of-bounds write in TIFF image handling for Computerinsel Photoline 20.53 for OS X. The CVSS 3.0 score is 8.8 with no privileges required and user interaction required. The provided sources do not name a specific CWE, patch version, or confirmed exploitation.

Likely exposure

Exposure is likely limited to environments running Computerinsel Photoline 20.53 for OS X, especially design, media, or support workflows that open externally supplied TIFF images.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires a crafted TIFF to be processed by the affected application, which implies user interaction or a workflow that automatically opens such files.

Researcher notes

The affected scope in the bundle is narrow: Computerinsel Photoline 20.53 for OS X. The bundle names Talos as the reporting reference, but does not provide exploit status, CWE mapping, or patch details. Avoid expanding impact to other versions without vendor evidence.

Mitigation direction

  • Inventory systems for Computerinsel Photoline 20.53 for OS X.
  • Check Computerinsel or Talos guidance for fixed versions or official workarounds.
  • Restrict opening TIFF files from untrusted sources in Photoline.
  • Use mail and endpoint controls to quarantine suspicious image attachments.
  • Retire or isolate affected installations if no supported fix is available.

Validation and detection

  • Confirm whether Photoline 20.53 for OS X exists on managed endpoints.
  • Review workflows that process TIFF files from customers or external parties.
  • Verify users handling external images are not using the affected version.
  • Check endpoint telemetry for Photoline crashes during TIFF processing.
  • Document any vendor guidance found during remediation tracking.
Prepared
Confidence
high
Sources
3

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

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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CVE-2018-3862 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.8CVSS 3.0HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2018-3862Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TalosComputerinsel PhotolineComputerinsel Photoline 20.53 for OS XListed
Weakness

CWE details

No CWE listed

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