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CVE-2025-43963

Quick assessment

Affected
LibRaw LibRaw
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.

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 0.21.4之前版本存在缓冲区错误漏洞，该漏洞源于decoders/load_mfbacks.cpp中phase_one_correct函数处理标签0x041f时未检查split_col和split_row值，可能导致越界访问。

CVSS 2.9 · Low EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-43963

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In LibRaw before 0.21.4, phase_one_correct in decoders/load_mfbacks.cpp allows out-of-buffer access because split_col and split_row values are not checked in 0x041f tag processing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Libraw 缓冲区错误漏洞
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 0.21.4之前版本存在缓冲区错误漏洞，该漏洞源于decoders/load_mfbacks.cpp中phase_one_correct函数处理标签0x041f时未检查split_col和split_row值，可能导致越界访问。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LibRaw LibRaw 0 ~ 0.21.4 -

II. Public POCs for CVE-2025-43963

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III. Intelligence Information for CVE-2025-43963

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Patches & Fixes for CVE-2025-43963 (2)

Vendor Pages for CVE-2025-43963 (1)

Same Patch Batch · LibRaw · 2025-04-20 · 4 CVEs total

CVE-2025-43964 2.9 LOW Libraw 安全漏洞
CVE-2025-43962 2.9 LOW Libraw 缓冲区错误漏洞
CVE-2025-43961 2.9 LOW Libraw 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: LibRaw
Same vendor: LibRaw
Same weakness: CWE-125