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CVE-2025-32949— PeerTube User Import Authenticated Resource Exhaustion

Quick assessment

Affected
CVE-2025-32949
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.

PeerTube是Chocobozzz开源的一个去中心化的视频分享服务平台。用于制作视频项目。 PeerTube存在安全漏洞，该漏洞源于Zip炸弹处理不当，可能导致磁盘空间耗尽。

CVSS 6.5 · Medium EPSS 0.57% · P46

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

I. Basic Information for CVE-2025-32949

Vulnerability Information
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Vulnerability Title
PeerTube User Import Authenticated Resource Exhaustion
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows any authenticated user to cause the server to consume very large amounts of disk space when extracting a Zip Bomb. If user import is enabled (which is the default setting), any registered user can upload an archive for importing. The code uses the yauzl library for reading the archive. The yauzl library does not contain any mechanism to detect or prevent extraction of a Zip Bomb https://en.wikipedia.org/wiki/Zip_bomb . Therefore, when using the User Import functionality with a Zip Bomb, PeerTube will try extracting the archive which will cause a disk space resource exhaustion.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Source: CVE Program / CVE List V5
Vulnerability Title
PeerTube 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PeerTube是Chocobozzz开源的一个去中心化的视频分享服务平台。用于制作视频项目。 PeerTube存在安全漏洞，该漏洞源于Zip炸弹处理不当，可能导致磁盘空间耗尽。
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)

II. Public POCs for CVE-2025-32949

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III. Intelligence Information for CVE-2025-32949

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Vendor Advisories for CVE-2025-32949 (1)

Vendor Pages for CVE-2025-32949 (1)

IV. Related Vulnerabilities

Same weakness: CWE-409

V. Comments for CVE-2025-32949

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