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  4. CVE 2026 116463 faststone image viewer box average downsampler
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Back to active CVEs
Medium · CVSS 5.3CVE-2026-116463

FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-boundsCVE-2026-116463

Answer in brief

CVE-2026-116463 records a Medium severity (CVSS 5.3) vulnerability in FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds. The current sources do not mark it as known exploited. The current feed maps FastStone/Image Viewer (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 26, 2026Updated Oct 26, 2026Source checked Oct 26, 2026First seen by HOL Oct 26, 2026Material review Oct 26, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps FastStone/Image Viewer (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
FastStone/Image Viewergeneric8.0 || 8.1 || 8.2 || 8.3 || 8.4 || 8.5Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for FastStone/Image Viewer.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 26, 2026

Sources and claim methodology

  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source description

A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ONNX: Out-of-Bounds Read in RNN/GRU/LSTM Shape Inference (Old Opsets, Missing Rank Check)Also CWE-125
  • ONNX: Out-of-bounds read in ConvTranspose shape inference via undersized weight rankAlso CWE-125

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125, CWE-119
Source
CVE List V5
Source checked
Oct 26, 2026
References
4 linked sources
Open source record