Skip to content
NewA calmer, faster ZeroHour

libilbm ILBM parser heap overflow can execute code via a malicious file

Original title: ZDI-26-887: libilbm ILBM File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI Published Advisories ()1
Part of a story covered by 12 sourcesZDI discloses five unpatched Ashlar-Vellum Cobalt remote code execution bugsMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

CVE-2025-10935 requires the user to open a malicious file or page; ZDI scores it 7.8.

The Zero Day Initiative published ZDI-26-887, a heap-based buffer overflow in libilbm while parsing ILBM files. A remote attacker can execute arbitrary code if the user visits a malicious page or opens a malicious file. ZDI assigned CVSS 7.8 and CVE-2025-10935. Versions and a fix are not stated.

Unconfirmed: Affected versions, a vendor name, and any patch are not stated.

Key facts
  • The issue is CVE-2025-10935, published as ZDI-26-887.
  • ZDI assigned a CVSS rating of 7.8.
  • Exploitation requires visiting a malicious page or opening a malicious file.
Security assessment · AI, from the article

Impact: arbitrary code execution after opening a malicious file

ProductAffected
libilbm—
Analyze CVE-2025-10935 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-10935
———

From the original article

This vulnerability allows remote attackers to execute arbitrary code on affected installations of libilbm. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.

ZDI Published Advisories

zerodayinitiative.com

Read the full article at ZDI Published Advisories

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.