CVE-2026-116737

libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path

MEDIUM
6.1
CVSS Score
Published: October 26, 2026 at 09:52 PM UTC
Updated: October 27, 2026 at 04:04 PM UTC
1 product affected across 1 vendorlibphdi

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.1%

Description

libphdi through 20260902 contains a heap out-of-bounds read vulnerability in libphdi_data_files_get_extent_data_file_path that uses the directory prefix length instead of the basename length. Attackers can supply a crafted Parallels disk image descriptor with a long directory prefix and short basename to crash the process or expose adjacent heap memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.1MEDIUMVulnCheck
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-131

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