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CVE Record

CVE-2017-14858: There is a heap-based buffer overflow in the Exiv2::l2Data function of types.cpp in Exiv2 0.26.

There is a heap-based buffer overflow in the Exiv2::l2Data function of types.cpp in Exiv2 0.26. A Crafted input will lead to a denial of service attack.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2017-14858 is a memory handling flaw in Exiv2 0.26. A maliciously crafted input can crash software that uses Exiv2 to parse metadata, creating a denial-of-service risk where untrusted files are processed.

Executive priority

Treat this as a targeted availability risk. Prioritize if customer uploads, media ingestion, or automated file scanning depend on Exiv2 0.26; otherwise handle through normal patch management.

Technical view

The record describes a heap-based buffer overflow in Exiv2::l2Data in types.cpp in Exiv2 0.26. The documented impact is denial of service from crafted input. The supplied sources do not provide CVSS, CWE, patch version, or evidence of code execution.

Likely exposure

Exposure is most likely in applications, servers, desktops, or processing pipelines that use Exiv2 0.26 to inspect user-supplied images or metadata-bearing files.

Exploitation context

The source bundle states crafted input can cause denial of service. KEV is false, and the provided sources do not show active exploitation or public exploit status.

Researcher notes

Public evidence is limited. The confirmed details are the affected function, Exiv2 0.26, heap-based buffer overflow, and denial-of-service impact. No CVSS, CWE, affected CPEs, or patch details were included.

Mitigation direction

  • Inventory systems and applications using Exiv2 0.26.
  • Check Exiv2, OS vendor, and Red Hat guidance for fixed packages.
  • Prioritize remediation where untrusted media files are parsed automatically.
  • Reduce exposure of metadata parsing services that accept anonymous uploads.

Validation and detection

  • Confirm installed Exiv2 versions across hosts, containers, and build dependencies.
  • Identify workflows that parse image metadata from external users.
  • Review vendor advisories for the applicable fixed version or package status.
  • Verify updated systems no longer report Exiv2 0.26.
Prepared
Confidence
medium
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

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CVE-2017-14858 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
2Source 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

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