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CVE Record

CVE-2005-2308: The JPEG decoder in Microsoft Internet Explorer allows remote attackers to cause a denial of service (CPU c...

The JPEG decoder in Microsoft Internet Explorer allows remote attackers to cause a denial of service (CPU consumption or crash) and possibly execute arbitrary code via certain crafted JPEG images, as demonstrated using (1) mov_fencepost.jpg, (2) cmp_fencepost.jpg, (3) oom_dos.jpg, or (4) random.jpg.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's Takeunknown

Analyst readout for executives and security teams

Plain-English summary

This old CVE describes Microsoft Internet Explorer crashing or consuming excessive CPU when it processes specially crafted JPEG images. The record also says arbitrary code execution may be possible, but the provided sources do not prove exploitability or list affected IE versions.

Executive priority

Prioritize based on legacy IE presence. For modern environments without Internet Explorer usage, urgency is low. For organizations still depending on IE, treat this as a legacy-browser risk requiring containment and migration planning.

Technical view

The issue is in Internet Explorer's JPEG decoder. Crafted JPEG files named in the record reportedly trigger CPU exhaustion or crashes, with possible code execution. The source bundle provides no CVSS score, CWE, affected version range, patch identifier, or confirmed exploit-in-the-wild evidence.

Likely exposure

Exposure is most plausible where legacy Internet Explorer remains usable for browsing, intranet applications, or file viewing. The provided data does not identify affected versions or other products, so inventory must focus on any remaining IE dependency.

Exploitation context

The CVE describes remote attack via crafted JPEG images. KEV is false, and the supplied sources do not state active exploitation. Treat code execution as unconfirmed from this bundle; denial of service is the clearer documented impact.

Researcher notes

Evidence is thin: the CVE description names crash and CPU exhaustion cases and says code execution is possible, but no version matrix, root cause, exploit status, or fix details are included in the supplied bundle.

Mitigation direction

  • Check Microsoft guidance for the relevant Internet Explorer versions.
  • Retire or disable legacy Internet Explorer where business workflows permit.
  • Route users to supported browsers for untrusted web and image content.
  • Restrict legacy IE use to trusted internal sites if retirement is blocked.
  • Use mail and web controls to reduce exposure to untrusted image files.

Validation and detection

  • Inventory systems and workflows that still launch Internet Explorer.
  • Identify whether IE handles JPEG content from web, email, or intranet sources.
  • Confirm applicable Microsoft advisories or updates for discovered IE versions.
  • Review incident telemetry for browser crashes tied to JPEG handling.
  • Document compensating controls for any unavoidable IE dependency.
Prepared
Confidence
medium
Sources
7

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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description · low confidence lookup

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2005-2308 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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
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.