CVE-2025-65586
January 19, 2026
An out-of-bounds memory access vulnerability exists in the uncompressed decoder component of libheif. A maliciously crafted HEIF image can trigger a denial-of-service condition by causing the libheif library to crash or exhibit other unexpected behavior due to an out-of-bounds memory access.
Affected Packages
https://github.com/strukturag/libheif.git (GITHUB):
Affected version(s) >=v1.19.0 <v1.21.0Fix Suggestion:
Update to version v1.21.0Related Resources (1)
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Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
