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CVE-2025-53817— GHSL-2025-059 - 7-Zip - Null pointer array write attempt in NArchive::NCom::CHandler::GetStream

Quick assessment

Affected
ipavlov 7-Zip
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.

7-Zip是7-Zip开源的一个压缩软件。 7-Zip 25.0.0之前版本存在代码问题漏洞，该漏洞源于Compound处理程序中存在空指针取消引用，可能导致拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.61% · P47

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-53817

Vulnerability Information
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Vulnerability Title
GHSL-2025-059 - 7-Zip - Null pointer array write attempt in NArchive::NCom::CHandler::GetStream
Source: CVE Program / CVE List V5
Vulnerability Description
7-Zip is a file archiver with a high compression ratio. 7-Zip supports extracting from Compound Documents. Prior to version 25.0.0, a null pointer dereference in the Compound handler may lead to denial of service. Version 25.0.0 contains a fix cor the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
7-Zip 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
7-Zip是7-Zip开源的一个压缩软件。 7-Zip 25.0.0之前版本存在代码问题漏洞，该漏洞源于Compound处理程序中存在空指针取消引用，可能导致拒绝服务。
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
ipavlov 7-Zip < 25.0.0 -

II. Public POCs for CVE-2025-53817

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III. Intelligence Information for CVE-2025-53817

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Mailing List Discussions for CVE-2025-53817 (1)

IV. Related Vulnerabilities

Same product: 7-Zip
Same vendor: ipavlov
Same weakness: CWE-476

V. Comments for CVE-2025-53817

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