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CVE-2026-20911

CVSS 9.8 · Critical EPSS 0.06% · P18
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I. Basic Information for CVE-2026-20911

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-based buffer overflow vulnerability exists in the HuffTable::initval 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
缓冲区大小计算不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Libraw 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libraw是Libraw公司的一个用来处理RAW(CRW/CR2,NEF,RAF,DNG,andothers)格式图片的C++库，支持各种操作系统。 Libraw存在安全漏洞，该漏洞源于HuffTable::initval功能存在堆缓冲区溢出，可能导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

VendorProductAffected VersionsCPESubscribe
LibRawLibRaw Commit 0b56545 -

II. Public POCs for CVE-2026-20911

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III. Intelligence Information for CVE-2026-20911

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Same Patch Batch · LibRaw · 2026-04-07 · 6 CVEs total

CVE-2026-214139.8 CRITICALLibraw 安全漏洞
CVE-2026-208899.8 CRITICALLibraw 安全漏洞
CVE-2026-246608.1 HIGHLibraw 安全漏洞
CVE-2026-244508.1 HIGHLibraw 安全漏洞
CVE-2026-208848.1 HIGHLibraw 安全漏洞

IV. Related Vulnerabilities

Same product: LibRaw
Same vendor: LibRaw
Same weakness: CWE-131

V. Comments for CVE-2026-20911

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