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CVE Record

CVE-2018-10780: Exiv2::Image::byteSwap2 in image.cpp in Exiv2 0.26 has a heap-based buffer over-read.

Exiv2::Image::byteSwap2 in image.cpp in Exiv2 0.26 has a heap-based buffer over-read.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-10780 is a memory-read flaw in Exiv2 0.26, a tool/library used to process image metadata. If a system uses this affected version on untrusted images, it may read beyond allocated heap memory. The provided sources do not include a CVSS score, confirmed impact beyond over-read, or active exploitation evidence.

Executive priority

Treat this as an inventory-and-remediation item, not an emergency based on the provided evidence. Prioritize exposed image-processing services first. Urgency rises if Exiv2 0.26 is internet-facing, embedded in upload pipelines, or used in high-volume automated media handling.

Technical view

The issue is described as a heap-based buffer over-read in Exiv2::Image::byteSwap2 in image.cpp in Exiv2 0.26. The source bundle does not name specific file formats, trigger conditions, patch versions, CWE mapping, or exploitability details. KEV status is false, so active exploitation is not established by the provided evidence.

Likely exposure

Exposure is most likely where Exiv2 0.26, or software embedding it, processes image files or metadata from users, partners, web uploads, email attachments, or automated media pipelines. The affected product list in the source bundle is incomplete, so inventory should include distro packages and bundled copies.

Exploitation context

No cited source in the bundle states active exploitation, public exploit availability, or weaponized use. The vulnerability class suggests risk from parsing crafted image metadata, but the bundle does not provide enough detail to describe reliable impact, attack complexity, or affected workflows beyond Exiv2 0.26.

Researcher notes

The public bundle is sparse: no CVSS, CWE, proof-of-concept status, affected downstream products, or fixed version is included. Analysis should be constrained to Exiv2 0.26 and the byteSwap2 heap over-read unless additional vendor advisories provide more detail.

Mitigation direction

  • Inventory systems and applications using Exiv2 0.26 or bundled Exiv2 code.
  • Review Gentoo GLSA-201811-14 and distribution advisories for fixed package guidance.
  • Prioritize remediation where Exiv2 processes externally supplied image files.
  • Limit automated parsing of untrusted image metadata until vendor guidance is applied.
  • Track downstream application updates that statically include Exiv2.

Validation and detection

  • Confirm installed Exiv2 versions through package, SBOM, and container inventories.
  • Check applications and services that invoke Exiv2 for image metadata handling.
  • Verify vendor advisory status for each operating system or distribution package.
  • Confirm remediated systems no longer report Exiv2 0.26.
  • Document remaining exceptions and whether they process untrusted images.
Prepared
Confidence
medium
Sources
4

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-2018-10780 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
3Source 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.