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CVE-2026-112283— libbluray through 1.5.1 Uncontrolled Memory Allocation via _parse_extent_start_points

Quick assessment

Affected
VideoLAN libbluray
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.

VideoLAN 的 libbluray 库（1.5.1 及更早版本）在 clpi_parse.c 文件的 _parse_extent_start_points() 函数中存在不受控的内存分配漏洞。该漏洞源于对 num_point 字段未进行边界检查而直接信任其值。攻击者可在光盘、镜像文件或目录中提供精心构造的 .clpi 文件，通过设置极大的 num_point 值耗尽系统内存和 CPU 资源，从而引发拒绝服务（DoS）攻击。

CVSS 5.5 · Medium EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
VideoLAN libbluray ≤ 1.5.1 affected
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I. Basic Information for CVE-2026-112283

Vulnerability Information
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Vulnerability Title
libbluray through 1.5.1 Uncontrolled Memory Allocation via _parse_extent_start_points
Source: CVE Program / CVE List V5
Vulnerability Description
VideoLAN libbluray through 1.5.1 contains an uncontrolled memory allocation vulnerability in _parse_extent_start_points() in clpi_parse.c that trusts the num_point field without bounds checking. Attackers can supply a crafted .clpi file on a disc, image, or directory with a huge num_point to exhaust memory and CPU, causing denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
VideoLAN libbluray 0 ~ 1.5.1 -

II. Public POCs for CVE-2026-112283

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III. Intelligence Information for CVE-2026-112283

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Vendor Advisories for CVE-2026-112283 (1)

Security Blog Posts for CVE-2026-112283 (1)

Vendor Pages for CVE-2026-112283 (1)

IV. Related Vulnerabilities

Same product: libbluray
Same vendor: VideoLAN
Same weakness: CWE-789

V. Comments for CVE-2026-112283

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