---
id: CVE-2026-112280
title: >-
  libaribb24 (aribb24) through 1.0.3 Heap Buffer Overflow via
  parse_data_unit_statement_body
summary: >-
  libaribb24 (aribb24) through 1.0.3 contains a heap-based buffer overflow
  vulnerability in src/parser.c that allows attackers to corrupt heap memory via
  an oversized caption data unit. Attackers can supply a crafted caption PES
  packet in …
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'
cvssSource: cna
cwe:
  - CWE-122
vendor: nkoriyama
product: aribb24
affected:
  - aribb24 <= 1.0.3
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T13:55:25.644Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112280'
references:
  - url: 'https://hackmd.io/@haindpwn/aribb24-caption-data-unit-and-csi-oob-write'
  - url: 'https://github.com/nkoriyama/aribb24/blob/v1.0.3/src/parser.c'
  - url: >-
      https://www.vulncheck.com/advisories/libaribb24-aribb24-through-1.0.3-heap-buffer-overflow-via-parse-data-unit-statement-body
    label: >-
      VulnCheck Advisory: libaribb24 (aribb24) through 1.0.3 Heap Buffer
      Overflow via parse_data_unit_statement_body
tags:
  - cve.org
ingestedAt: '2026-10-19T14:30:01.070Z'
---

## Overview

libaribb24 (aribb24) through 1.0.3 contains a heap-based buffer overflow vulnerability in src/parser.c that allows attackers to corrupt heap memory via an oversized caption data unit. Attackers can supply a crafted caption PES packet in a media file or broadcast stream, processed through arib_parse_pes(), to crash FFmpeg or VLC and possibly corrupt further memory.

## Affected

- `aribb24 <= 1.0.3`

## Remediation

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