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CVE-2026-112280— libaribb24 (aribb24) through 1.0.3 Heap Buffer Overflow via parse_data_unit_statement_body

Quick assessment

Affected
nkoriyama aribb24
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

libaribb24（aribb24）1.0.3 及更早版本在 src/parser.c 中存在一个基于堆的缓冲区溢出漏洞。攻击者可通过超大字幕数据单元（caption data unit）破坏堆内存。攻击者可在媒体文件或广播流中提供精心构造的字幕 PES 包，该包经 arib_parse_pes() 函数处理后，可导致 FFmpeg 或 VLC 崩溃，并可能进一步破坏内存。

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
nkoriyama aribb24 ≤ 1.0.3 affected
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I. Basic Information for CVE-2026-112280

Vulnerability Information
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Vulnerability Title
libaribb24 (aribb24) through 1.0.3 Heap Buffer Overflow via parse_data_unit_statement_body
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nkoriyama aribb24 0 ~ 1.0.3 -

II. Public POCs for CVE-2026-112280

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III. Intelligence Information for CVE-2026-112280

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Vendor Advisories for CVE-2026-112280 (1)

Proof of Concept for CVE-2026-112280 (1)

Security Blog Posts for CVE-2026-112280 (1)

IV. Related Vulnerabilities

Same product: aribb24
Same vendor: nkoriyama
Same weakness: CWE-122

V. Comments for CVE-2026-112280

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