---
id: CVE-2026-21413
title: >-
  A heap-based buffer overflow vulnerability exists in the
  lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit
  d20315b
summary: >-
  A heap-based buffer overflow vulnerability exists in the
  lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit
  d20315b. A specially crafted malicious file can lead to a heap buffer
  overflow. An attacker can provide a m…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-129
  - CWE-787
vendor: libraw
product: libraw
affected:
  - libraw = 0.22.0
  - libraw = 0.22.1
published: '2026-04-07'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T22:17:37.350'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-21413'
references:
  - url: 'https://talosintelligence.com/vulnerability_reports/TALOS-2026-2331'
    label: talos-cna@cisco.com
  - url: 'https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2331'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2026:11360'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13284'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13854'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13860'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13868'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:13870'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14224'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14655'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:14673'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:19345'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2026-21413'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2455929'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21413.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
epss: 0.00932
epssPercentile: 0.5967
ingestedAt: '2026-10-13T23:03:54.701Z'
---

## Overview

A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

## Affected

- `libraw = 0.22.0`
- `libraw = 0.22.1`

## Remediation

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