CVE-2026-85715

ExifReader is a JavaScript Exif information parser. Prior to 4.41.1, ExifReader parses attacker-controlled HEIC or AVIF ISO-BMFF files in getItems() within src/image-header-iso-bmff-iloc.js and trusts iloc itemCount and extentCount values while allocating an extent object for every nested-loop iteration. When offsetSize, lengthSize, baseOffsetSize, and indexSize are zero, the extent fields consume no input bytes and the buffer offset does not advance, but the parser can still allocate up to itemCount multiplied by extentCount objects without an allocation budget. A small malicious iloc box can therefore cause hundreds of megabytes of heap growth or exhaust system memory, terminating a Node.js process and denying service to web, desktop, or mobile applications that parse untrusted images. The zero field widths are valid ISO-BMFF values indicating absent fields, so the vulnerable parser must bound work rather than relying on offset advancement. The issue is fixed in version 4.41.1.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/mattiasw/ExifReader/commit/17b901cd192d2c90d7f9f347bd3073b28b482699
https://github.com/mattiasw/ExifReader/releases/tag/v4.41.1
https://github.com/mattiasw/ExifReader/security/advisories/GHSA-pj96-35fp-cfcc
https://github.com/mattiasw/ExifReader/security/advisories/GHSA-pj96-35fp-cfcc

Configurations

No configuration.

History

17 Sep 2026, 16:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 16:18

Updated : 2026-09-17 16:18

NVD link : CVE-2026-85715

Mitre link : CVE-2026-85715

CVE.ORG link : CVE-2026-85715

JSON object : View

Products Affected

No product.

CWE

CWE-789

Memory Allocation with Excessive Size Value

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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