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Back to active CVEs
Medium · CVSS 6.9CVE-2026-70651

libvips: Possible integer overflow when reading multi-page TIFF images via ImageMagickCVE-2026-70651

Answer in brief

CVE-2026-70651 records a Medium severity (CVSS 6.9) vulnerability in libvips: Possible integer overflow when reading multi-page TIFF images via ImageMagick. The current sources do not mark it as known exploited. The current feed maps libvips/libvips (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 Aug 20, 2026Updated Sep 18, 2026Source checked Oct 5, 2026First seen by HOL Aug 20, 2026Material review Sep 18, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.9. 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 libvips/libvips (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
libvips/libvipsgeneric<8.18.38.18.3

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for libvips/libvips.
  2. 2Review the reported fix. Update libvips/libvips to 8.18.3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 20, 2026

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

  2. Source modified

    Sep 18, 2026

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

  3. First seen by HOL

    Aug 20, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

libvips is a fast image processing library with low memory needs. Prior to version 8.18.3, libvips built without libtiff support but with ImageMagick support can overflow the combined frame height while loading a crafted multi-page TIFF through VipsForeignLoadMagick. The vulnerable calculations in libvips/foreign/magick6load.c and libvips/foreign/magick7load.c multiply the per-page Ysize by n_frames without a checked bound, which can cause a heap buffer over-read and process crash. Most package-manager builds include libtiff and do not use this affected fallback path. This issue is fixed in version 8.18.3.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-680
Source
CVE List V5
Source checked
Oct 5, 2026
References
4 linked sources
Open source record