CVE-2026-48977 (GCVE-0-2026-48977)

Vulnerability from cvelistv5 – Published: 2026-09-17 20:26 – Updated: 2026-09-18 20:07
VLAI
Title
OpenSlide: Arbitrary memory write with crafted Ventana BIF file
Summary
OpenSlide is a C library for reading whole slide image files. From 3.4.1 until 4.0.1, OpenSlide's parse_level0_xml() processing in src/openslide-vendor-ventana.c accepts nonpositive row or column tile counts from a crafted Ventana BIF file. The invalid counts produce attacker-controlled relative memory offsets and allow arbitrary values to be written at those offsets, affecting all supported platforms and configurations and resulting in a crash or potential arbitrary code execution. This issue is fixed in version 4.0.1.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 20:07 UTC
CWE
  • CWE-123 - Write-what-where Condition
  • CWE-823 - Use of Out-of-range Pointer Offset
  • CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7668 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
openslide openslide Affected: >= 3.4.1, < 4.0.1
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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