---
id: CVE-2020-35538
title: >-
  A crafted input file could cause a null pointer dereference in
  jcopy_sample_rows() when processed by libjpeg-turbo.
summary: >-
  A crafted input file could cause a null pointer dereference in
  jcopy_sample_rows() when processed by libjpeg-turbo.
severity: none
cwe:
  - CWE-476
product: libjpeg-turbo
affected:
  - libjpeg-turbo libjpeg-turbo 2.0.5 onwards
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-02T17:54:51.406990Z'
published: '2022-08-31'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T17:55:09.707Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2020-35538'
references:
  - url: 'https://github.com/libjpeg-turbo/libjpeg-turbo/issues/441'
  - url: >-
      https://github.com/libjpeg-turbo/libjpeg-turbo/commit/9120a247436e84c0b4eea828cb11e8f665fcde30
tags:
  - cve.org
epss: 0.00286
epssPercentile: 0.21218
ingestedAt: '2026-11-05T19:30:42.755Z'
---

## Overview

A crafted input file could cause a null pointer dereference in jcopy_sample_rows() when processed by libjpeg-turbo.

## Affected

- `libjpeg-turbo libjpeg-turbo 2.0.5 onwards`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.