Medium severity4.3NVD Advisory· Published May 7, 2021· Updated Jun 17, 2026
CVE-2021-29488
CVE-2021-29488
Description
SABnzbd is an open source binary newsreader. A vulnerability was discovered in SABnzbd that could trick the filesystem.renamer() function into writing downloaded files outside the configured Download Folder via malicious PAR2 files. A patch was released as part of SABnzbd 3.2.1RC1. As a workaround, limit downloads to NZBs without PAR2 files, deny write permissions to the SABnzbd process outside areas it must access to perform its job, or update to a fixed version.
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Affected products
3Patches
Vulnerability mechanics
References
1- github.com/sabnzbd/sabnzbd/security/advisories/GHSA-jwj3-wrvf-v3rpnvdPatchThird Party Advisory
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